diff --git a/du3/program.c b/du3/program.c
index a29f16e..6154ff3 100644
--- a/du3/program.c
+++ b/du3/program.c
@@ -20,7 +20,13 @@ int main(){
 	int pos = -1;
 	//float p = 0;
 	while(stop == 0){
+		if(feof(stdin)){
+		break;
+		}
 		r = fgets(riadok,LINE_SIZE,stdin);
+		if(feof(stdin)){
+		break;
+		}
 		pos++;
 		if (r == NULL || !isdigit(*r)) {
             		//printf("%d", *r);
@@ -68,4 +74,4 @@ int main(){
 	vysl = mass[1];
 	}
 	printf("Vysledok je: %.2f\n", vysl);
-}
\ No newline at end of file
+}