diff --git a/tasks/nesterov_a_elem_vec_sum/common/include/common.hpp b/tasks/nesterov_a_elem_vec_sum/common/include/common.hpp
new file mode 100644
index 00000000..a0c41088
--- /dev/null
+++ b/tasks/nesterov_a_elem_vec_sum/common/include/common.hpp
@@ -0,0 +1,15 @@
+#pragma once
+
+#include <string>
+#include <tuple>
+
+#include "task/include/task.hpp"
+
+namespace nesterov_a_elem_vec_sum {
+
+using InType = int;
+using OutType = int;
+using TestType = std::tuple<int, std::string>;
+using BaseTask = ppc::task::Task<InType, OutType>;
+
+}  // namespace nesterov_a_elem_vec_sum
diff --git a/tasks/nesterov_a_elem_vec_sum/data/pic.jpg b/tasks/nesterov_a_elem_vec_sum/data/pic.jpg
new file mode 100644
index 00000000..34458023
Binary files /dev/null and b/tasks/nesterov_a_elem_vec_sum/data/pic.jpg differ
diff --git a/tasks/nesterov_a_elem_vec_sum/info.json b/tasks/nesterov_a_elem_vec_sum/info.json
new file mode 100644
index 00000000..0d40ea9d
--- /dev/null
+++ b/tasks/nesterov_a_elem_vec_sum/info.json
@@ -0,0 +1,9 @@
+{
+  "student": {
+    "first_name": "Александр",
+    "last_name": "Нестеров",
+    "middle_name": "Юрьевич",
+    "group_number": "3818081-2",
+    "task_number": "1"
+  }
+}
diff --git a/tasks/nesterov_a_elem_vec_sum/mpi/include/ops_mpi.hpp b/tasks/nesterov_a_elem_vec_sum/mpi/include/ops_mpi.hpp
new file mode 100644
index 00000000..e2d792f7
--- /dev/null
+++ b/tasks/nesterov_a_elem_vec_sum/mpi/include/ops_mpi.hpp
@@ -0,0 +1,22 @@
+#pragma once
+
+#include "nesterov_a_elem_vec_sum/common/include/common.hpp"
+#include "task/include/task.hpp"
+
+namespace nesterov_a_elem_vec_sum {
+
+class NesterovAElemVecSumMPI : public BaseTask {
+ public:
+  static constexpr ppc::task::TypeOfTask GetStaticTypeOfTask() {
+    return ppc::task::TypeOfTask::kMPI;
+  }
+  explicit NesterovAElemVecSumMPI(const InType &in);
+
+ private:
+  bool ValidationImpl() override;
+  bool PreProcessingImpl() override;
+  bool RunImpl() override;
+  bool PostProcessingImpl() override;
+};
+
+}  // namespace nesterov_a_elem_vec_sum
diff --git a/tasks/nesterov_a_elem_vec_sum/mpi/src/ops_mpi.cpp b/tasks/nesterov_a_elem_vec_sum/mpi/src/ops_mpi.cpp
new file mode 100644
index 00000000..cc25cc85
--- /dev/null
+++ b/tasks/nesterov_a_elem_vec_sum/mpi/src/ops_mpi.cpp
@@ -0,0 +1,72 @@
+#include "nesterov_a_elem_vec_sum/mpi/include/ops_mpi.hpp"
+
+#include <mpi.h>
+
+#include <numeric>
+#include <vector>
+
+#include "nesterov_a_elem_vec_sum/common/include/common.hpp"
+#include "util/include/util.hpp"
+
+namespace nesterov_a_elem_vec_sum {
+
+NesterovAElemVecSumMPI::NesterovAElemVecSumMPI(const InType &in) {
+  SetTypeOfTask(GetStaticTypeOfTask());
+  GetInput() = in;
+  GetOutput() = 0;
+}
+
+bool NesterovAElemVecSumMPI::ValidationImpl() {
+  return (GetInput() > 0) && (GetOutput() == 0);
+}
+
+bool NesterovAElemVecSumMPI::PreProcessingImpl() {
+  GetOutput() = 2 * GetInput();
+  return GetOutput() > 0;
+}
+
+bool NesterovAElemVecSumMPI::RunImpl() {
+  auto input = GetInput();
+  if (input == 0) {
+    return false;
+  }
+
+  for (InType i = 0; i < GetInput(); i++) {
+    for (InType j = 0; j < GetInput(); j++) {
+      for (InType k = 0; k < GetInput(); k++) {
+        std::vector<InType> tmp(i + j + k, 1);
+        GetOutput() += std::accumulate(tmp.begin(), tmp.end(), 0);
+        GetOutput() -= i + j + k;
+      }
+    }
+  }
+
+  const int num_threads = ppc::util::GetNumThreads();
+  GetOutput() *= num_threads;
+
+  int rank = 0;
+  MPI_Comm_rank(MPI_COMM_WORLD, &rank);
+
+  if (rank == 0) {
+    GetOutput() /= num_threads;
+  } else {
+    int counter = 0;
+    for (int i = 0; i < num_threads; i++) {
+      counter++;
+    }
+
+    if (counter != 0) {
+      GetOutput() /= counter;
+    }
+  }
+
+  MPI_Barrier(MPI_COMM_WORLD);
+  return GetOutput() > 0;
+}
+
+bool NesterovAElemVecSumMPI::PostProcessingImpl() {
+  GetOutput() -= GetInput();
+  return GetOutput() > 0;
+}
+
+}  // namespace nesterov_a_elem_vec_sum
diff --git a/tasks/nesterov_a_elem_vec_sum/report.md b/tasks/nesterov_a_elem_vec_sum/report.md
new file mode 100644
index 00000000..bbda3591
--- /dev/null
+++ b/tasks/nesterov_a_elem_vec_sum/report.md
@@ -0,0 +1,4 @@
+# Отчет 
+
+123
+
diff --git a/tasks/nesterov_a_elem_vec_sum/seq/include/ops_seq.hpp b/tasks/nesterov_a_elem_vec_sum/seq/include/ops_seq.hpp
new file mode 100644
index 00000000..0a1a1bae
--- /dev/null
+++ b/tasks/nesterov_a_elem_vec_sum/seq/include/ops_seq.hpp
@@ -0,0 +1,22 @@
+#pragma once
+
+#include "nesterov_a_elem_vec_sum/common/include/common.hpp"
+#include "task/include/task.hpp"
+
+namespace nesterov_a_elem_vec_sum {
+
+class NesterovAElemVecSumSEQ : public BaseTask {
+ public:
+  static constexpr ppc::task::TypeOfTask GetStaticTypeOfTask() {
+    return ppc::task::TypeOfTask::kSEQ;
+  }
+  explicit NesterovAElemVecSumSEQ(const InType &in);
+
+ private:
+  bool ValidationImpl() override;
+  bool PreProcessingImpl() override;
+  bool RunImpl() override;
+  bool PostProcessingImpl() override;
+};
+
+}  // namespace nesterov_a_elem_vec_sum
diff --git a/tasks/nesterov_a_elem_vec_sum/seq/src/ops_seq.cpp b/tasks/nesterov_a_elem_vec_sum/seq/src/ops_seq.cpp
new file mode 100644
index 00000000..0006b94e
--- /dev/null
+++ b/tasks/nesterov_a_elem_vec_sum/seq/src/ops_seq.cpp
@@ -0,0 +1,60 @@
+#include "nesterov_a_elem_vec_sum/seq/include/ops_seq.hpp"
+
+#include <numeric>
+#include <vector>
+
+#include "nesterov_a_elem_vec_sum/common/include/common.hpp"
+#include "util/include/util.hpp"
+
+namespace nesterov_a_elem_vec_sum {
+
+NesterovAElemVecSumSEQ::NesterovAElemVecSumSEQ(const InType &in) {
+  SetTypeOfTask(GetStaticTypeOfTask());
+  GetInput() = in;
+  GetOutput() = 0;
+}
+
+bool NesterovAElemVecSumSEQ::ValidationImpl() {
+  return (GetInput() > 0) && (GetOutput() == 0);
+}
+
+bool NesterovAElemVecSumSEQ::PreProcessingImpl() {
+  GetOutput() = 2 * GetInput();
+  return GetOutput() > 0;
+}
+
+bool NesterovAElemVecSumSEQ::RunImpl() {
+  if (GetInput() == 0) {
+    return false;
+  }
+
+  for (InType i = 0; i < GetInput(); i++) {
+    for (InType j = 0; j < GetInput(); j++) {
+      for (InType k = 0; k < GetInput(); k++) {
+        std::vector<InType> tmp(i + j + k, 1);
+        GetOutput() += std::accumulate(tmp.begin(), tmp.end(), 0);
+        GetOutput() -= i + j + k;
+      }
+    }
+  }
+
+  const int num_threads = ppc::util::GetNumThreads();
+  GetOutput() *= num_threads;
+
+  int counter = 0;
+  for (int i = 0; i < num_threads; i++) {
+    counter++;
+  }
+
+  if (counter != 0) {
+    GetOutput() /= counter;
+  }
+  return GetOutput() > 0;
+}
+
+bool NesterovAElemVecSumSEQ::PostProcessingImpl() {
+  GetOutput() -= GetInput();
+  return GetOutput() > 0;
+}
+
+}  // namespace nesterov_a_elem_vec_sum
diff --git a/tasks/nesterov_a_elem_vec_sum/settings.json b/tasks/nesterov_a_elem_vec_sum/settings.json
new file mode 100644
index 00000000..b1a0d525
--- /dev/null
+++ b/tasks/nesterov_a_elem_vec_sum/settings.json
@@ -0,0 +1,7 @@
+{
+  "tasks_type": "processes",
+  "tasks": {
+    "mpi": "enabled",
+    "seq": "enabled"
+  }
+}
diff --git a/tasks/nesterov_a_elem_vec_sum/tests/.clang-tidy b/tasks/nesterov_a_elem_vec_sum/tests/.clang-tidy
new file mode 100644
index 00000000..ef43b7aa
--- /dev/null
+++ b/tasks/nesterov_a_elem_vec_sum/tests/.clang-tidy
@@ -0,0 +1,13 @@
+InheritParentConfig: true
+
+Checks: >
+  -modernize-loop-convert,
+  -cppcoreguidelines-avoid-goto,
+  -cppcoreguidelines-avoid-non-const-global-variables,
+  -misc-use-anonymous-namespace,
+  -modernize-use-std-print,
+  -modernize-type-traits
+
+CheckOptions:
+  - key: readability-function-cognitive-complexity.Threshold
+    value: 50  # Relaxed for tests
diff --git a/tasks/nesterov_a_elem_vec_sum/tests/functional/main.cpp b/tasks/nesterov_a_elem_vec_sum/tests/functional/main.cpp
new file mode 100644
index 00000000..e59de0ef
--- /dev/null
+++ b/tasks/nesterov_a_elem_vec_sum/tests/functional/main.cpp
@@ -0,0 +1,85 @@
+#include <gtest/gtest.h>
+#include <stb/stb_image.h>
+
+#include <algorithm>
+#include <array>
+#include <cstddef>
+#include <cstdint>
+#include <numeric>
+#include <stdexcept>
+#include <string>
+#include <tuple>
+#include <utility>
+#include <vector>
+
+#include "nesterov_a_elem_vec_sum/common/include/common.hpp"
+#include "nesterov_a_elem_vec_sum/mpi/include/ops_mpi.hpp"
+#include "nesterov_a_elem_vec_sum/seq/include/ops_seq.hpp"
+#include "util/include/func_test_util.hpp"
+#include "util/include/util.hpp"
+
+namespace nesterov_a_elem_vec_sum {
+
+class NesterovAElemVecSumFuncTests : public ppc::util::BaseRunFuncTests<InType, OutType, TestType> {
+ public:
+  static std::string PrintTestParam(const TestType &test_param) {
+    return std::to_string(std::get<0>(test_param)) + "_" + std::get<1>(test_param);
+  }
+
+ protected:
+  void SetUp() override {
+    int width = -1;
+    int height = -1;
+    int channels = -1;
+    std::vector<uint8_t> img;
+    // Read image
+    {
+      std::string abs_path = ppc::util::GetAbsoluteTaskPath(PPC_ID_nesterov_a_elem_vec_sum, "pic.jpg");
+      auto *data = stbi_load(abs_path.c_str(), &width, &height, &channels, 0);
+      if (data == nullptr) {
+        throw std::runtime_error("Failed to load image: " + std::string(stbi_failure_reason()));
+      }
+      img = std::vector<uint8_t>(data, data + (static_cast<ptrdiff_t>(width * height * channels)));
+      stbi_image_free(data);
+      if (std::cmp_not_equal(width, height)) {
+        throw std::runtime_error("width != height: ");
+      }
+    }
+
+    TestType params = std::get<static_cast<std::size_t>(ppc::util::GTestParamIndex::kTestParams)>(GetParam());
+    input_data_ = width - height + std::min(std::accumulate(img.begin(), img.end(), 0), channels);
+  }
+
+  bool CheckTestOutputData(OutType &output_data) final {
+    return (input_data_ == output_data);
+  }
+
+  InType GetTestInputData() final {
+    return input_data_;
+  }
+
+ private:
+  InType input_data_ = 0;
+};
+
+namespace {
+
+TEST_P(NesterovAElemVecSumFuncTests, MatmulFromPic) {
+  ExecuteTest(GetParam());
+}
+
+const std::array<TestType, 3> kTestParam = {std::make_tuple(3, "3"), std::make_tuple(5, "5"), std::make_tuple(7, "7")};
+
+const auto kTestTasksList =
+    std::tuple_cat(ppc::util::AddFuncTask<NesterovAElemVecSumMPI, InType>(kTestParam, PPC_SETTINGS_nesterov_a_elem_vec_sum),
+                   ppc::util::AddFuncTask<NesterovAElemVecSumSEQ, InType>(kTestParam, PPC_SETTINGS_nesterov_a_elem_vec_sum));
+
+const auto kGtestValues = ppc::util::ExpandToValues(kTestTasksList);
+
+const auto kPerfTestName = NesterovAElemVecSumFuncTests::PrintFuncTestName<NesterovAElemVecSumFuncTests>;
+
+INSTANTIATE_TEST_SUITE_P(PicMatrixTests, NesterovAElemVecSumFuncTests, kGtestValues, kPerfTestName);
+
+}  // namespace
+
+}  // namespace nesterov_a_elem_vec_sum
diff --git a/tasks/nesterov_a_elem_vec_sum/tests/performance/main.cpp b/tasks/nesterov_a_elem_vec_sum/tests/performance/main.cpp
new file mode 100644
index 00000000..235d3f8f
--- /dev/null
+++ b/tasks/nesterov_a_elem_vec_sum/tests/performance/main.cpp
@@ -0,0 +1,40 @@
+#include <gtest/gtest.h>
+
+#include "nesterov_a_elem_vec_sum/common/include/common.hpp"
+#include "nesterov_a_elem_vec_sum/mpi/include/ops_mpi.hpp"
+#include "nesterov_a_elem_vec_sum/seq/include/ops_seq.hpp"
+#include "util/include/perf_test_util.hpp"
+
+namespace nesterov_a_elem_vec_sum {
+
+class NesterovAElemVecSumPerfTests : public ppc::util::BaseRunPerfTests<InType, OutType> {
+  const int kCount_ = 100;
+  InType input_data_{};
+
+  void SetUp() override {
+    input_data_ = kCount_;
+  }
+
+  bool CheckTestOutputData(OutType &output_data) final {
+    return input_data_ == output_data;
+  }
+
+  InType GetTestInputData() final {
+    return input_data_;
+  }
+};
+
+TEST_P(NesterovAElemVecSumPerfTests, RunPerfModes) {
+  ExecuteTest(GetParam());
+}
+
+const auto kAllPerfTasks =
+    ppc::util::MakeAllPerfTasks<InType, NesterovAElemVecSumMPI, NesterovAElemVecSumSEQ>(PPC_SETTINGS_nesterov_a_elem_vec_sum);
+
+const auto kGtestValues = ppc::util::TupleToGTestValues(kAllPerfTasks);
+
+const auto kPerfTestName = NesterovAElemVecSumPerfTests::CustomPerfTestName;
+
+INSTANTIATE_TEST_SUITE_P(RunModeTests, NesterovAElemVecSumPerfTests, kGtestValues, kPerfTestName);
+
+}  // namespace nesterov_a_elem_vec_sum