diff --git a/cv3/program.c b/cv3/program.c
index be66fe6..03db213 100644
--- a/cv3/program.c
+++ b/cv3/program.c
@@ -8,7 +8,9 @@
 bool IsValidNumber(const char *line) {
     char *endFtr;
     strtod(line, &endFtr);
-    return *endFtr == '\0';
+    if (endPtr == line){
+    	return false;
+    }
 }
 
 int main() {
@@ -23,7 +25,6 @@ int main() {
     }
 
     while (1) {
-        printf("Zadajte polynom na %d mieste: ", coefficientIndex);
         if (fgets(line, MAX_LINE_LENGTH, stdin) == NULL || !IsValidNumber(line)) {
             printf("Nepodarilo sa nacitat polynom na %d mieste. \n", coefficientIndex);
             return 1;
@@ -36,11 +37,10 @@ int main() {
             return 1;
         }
 
-        result = result * x;
-        coefficientIndex++;
+        result = result * x + coeffiecientIndex;
     }
 
-    printf("Vysledok je: %f\n", result);
+    printf("Vysledok je: %.2f\n", result);
     return 0;
 }