diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/src/Main.java b/src/Main.java
index 930198c..a67af66 100644
--- a/src/Main.java
+++ b/src/Main.java
@@ -4,12 +4,31 @@ public class Main {
     public static void main(String[] args) {
         //TIP Press <shortcut actionId="ShowIntentionActions"/> with your caret at the highlighted text
         // to see how IntelliJ IDEA suggests fixing it.
-        System.out.printf("Hello and welcome!");
+        System.out.print("Hello and welcome!");
 
         for (int i = 1; i <= 5; i++) {
             //TIP Press <shortcut actionId="Debug"/> to start debugging your code. We have set one <icon src="AllIcons.Debugger.Db_set_breakpoint"/> breakpoint
             // for you, but you can always add more by pressing <shortcut actionId="ToggleLineBreakpoint"/>.
             System.out.println("i = " + i);
         }
+
+        if (isUnique("alwgys")) {
+            System.out.print("The word is unique");
+        } else {
+            System.out.print("The word is not unique!");
+        }
+    }
+
+    public static boolean isUnique(String word) {
+        for (int i = 0; i <= word.length()-1; i++) {
+            char a = word.charAt(i);
+            for(int j = i + 1 ; j <= word.length()-1; j++) {
+                if (word.charAt(j) == a) {
+                    return false;
+                }
+            }
+        }
+        return true;
     }
+
 }
\ No newline at end of file