diff --git a/cv3/program.c b/cv3/program.c
index 5eb465a..07b0a09 100644
--- a/cv3/program.c
+++ b/cv3/program.c
@@ -15,12 +15,21 @@ int main() {
     double coefficients[MAX_COEFFICIENTS];
     int count = 0;
 
-    scanf("%lf", &x);
+    if (scanf("%lf", &x) != 1) {
+        printf("Nepodarilo sa nacitat hodnotu x.\n");
+        return 1;
+    }
 
     while (scanf("%lf", &coef) == 1) {
         coefficients[count++] = coef;
     }
 
+
+    if (!feof(stdin)) {
+        printf("Nepodarilo sa nacitat polynom na %d mieste.\n", count + 1);
+        return 1;
+    }
+
     double result = evaluatePolynomial(x, coefficients, count);
     printf("Vysledok je: %.2f\n", result);