diff --git a/du5/program.c b/du5/program.c
index 1ca06a8..adc5838 100644
--- a/du5/program.c
+++ b/du5/program.c
@@ -40,11 +40,15 @@ int main(int argc, char const *argv[]){
 		if (r == NULL){
 			break;
 		}
+		if(line[0]=='\n'){
+			break;
+		}
 
 		char* end = NULL;
 		int value = strtol(line,&end,10);
 		if (value == 0){
-		    break;
+		    printf("Nepodarilo nacitat nic\n");
+			return 0;
 		}
 		char tmp[SIZE];
 		memset(tmp, 0, SIZE);