diff --git a/du3/program.c b/du3/program.c
index c0f8290..b48c794 100644
--- a/du3/program.c
+++ b/du3/program.c
@@ -53,12 +53,12 @@ int main()
     line[0] = '\0';
     strBuffer[0] = '\0';
     char* strtofEndPtr;
+    int LinesOnInputCount = 0;
 
     while (fgets(line, SIZE, stdin) != NULL)
     {
         if (sscanf(line, "%127[^\n]", strBuffer) == 1)
         {
-            int LinesOnInputCount;
             bool isLineInvalid = false;
             //docasne 'char' premeny
             char num1Temp[TEMPBUFFERSIZE], num2Temp[TEMPBUFFERSIZE], resultTemp[TEMPBUFFERSIZE];
@@ -159,7 +159,10 @@ int main()
             }
             else
             {
-                printf("OK\n");
+                for (int i = 0; i <= LinesOnInputCount; i++)
+                {
+                    printf("OK\n");
+                }
             }
         }
     }