diff --git a/src/Lab2.java b/src/Lab2.java
index f209094..5302f88 100644
--- a/src/Lab2.java
+++ b/src/Lab2.java
@@ -3,7 +3,7 @@ public class Lab2 {
         final int A = 2;
         final int[][] MATRIX_B = {
                 {1, 202, 1, 1, 202, 3, 1, 202, 3,},
-                {1, 202, 1, 1, 202, 3, 1, 202, 3, 4},
+                {1, 202, 1, 1, 202, 3, 1, 202, 3,},
                 {1, 1,   3, 1, 202, 3, 1, 202, 3,},
 //                {4, 5, 6,},
         };
@@ -99,12 +99,19 @@ public class Lab2 {
         int sum = 0;
         for (int j = 0; j < MATRIX_C[0].length; j++) {
             int tmpSmallest = MATRIX_C[0][j];
+            boolean value_repeats = false;
             for (int i = 1; i < MATRIX_C.length; i++) {
                 if (MATRIX_C[i][j] < tmpSmallest) {
                     tmpSmallest = MATRIX_C[i][j];
+                    value_repeats = false;
+                } else if (MATRIX_C[i][j] == tmpSmallest) {
+                    value_repeats = true;
                 }
             }
-            sum += tmpSmallest;
+
+            if (!value_repeats) {
+                sum += tmpSmallest;
+            }
         }
         return sum;
     }