diff --git a/du3/program.c b/du3/program.c
index 34118fa..c4062c8 100644
--- a/du3/program.c
+++ b/du3/program.c
@@ -128,14 +128,18 @@ int main()
                     break;
                 }
              }
+            float num1 = strtof(num1Temp, &strtofEndPtr);
+            float num2 = strtof(num2Temp, &strtofEndPtr);
+            float resultNum = strtof(result, &strtofEndPtr);
+
             //** konecna faza = vypisovanie vysledkov
 
             //ak systematicka chyba
-            if (isLineInvalid = true || op1 == 'N' || IsArithCorrect(strtof(num1Temp, strtofEndPtr),strtof(num2Temp, strtofEndPtr), op1) == -1)
+            if (isLineInvalid = true || op1 == 'N' || IsArithCorrect(num1, num2, op1, resultNum) == -1)
             {
                 printf("CHYBA\n");
             }
-            else if (IsArithCorrect(strtof(num1Temp, &strtofEndPtr),strtof(num2Temp, &strtofEndPtr), op1) == 0)
+            else if (IsArithCorrect(num1, num2, op1, resultNum) == 0)
             {
                 printf("ZLE\n");
             }