diff --git a/du3/program b/du3/program
index be352b7..0d73c7e 100755
Binary files a/du3/program and b/du3/program differ
diff --git a/du3/program.c b/du3/program.c
index 6fafbe8..9882a7f 100644
--- a/du3/program.c
+++ b/du3/program.c
@@ -4,11 +4,21 @@
 #define LINE_SIZE 999
 
 int main(){
-	char line[LINE_SIZE] = "1 2 3 4";
+	char riadok[LINE_SIZE];
+	memset(riadok, 0,LINE_SIZE);
+	char* r = fgets(riadok,LINE_SIZE,stdin);
+	char line[LINE_SIZE];
 	int len = strlen(line);
 	char* endptr = NULL;
 	char* start = line;
 	int num = 0;
+	if (r == NULL){
+    		exit(0);
+	}
+	int r2 = atol(line);
+	if (r2 == 0){
+    		exit(0);
+	}
 	while (start < (line + len)){
     		num = strtol(start,&endptr,10);
     		if (num){