#include <stdio.h>

int main() {
	int n = 0;
	while (scanf("%d", &n) != EOF) {
		switch (n) {
		case 200:printf("OK\n"); break;
		case 202:printf("Accepted\n"); break;
		case 400:printf("Bad Request\n"); break;
		case 403:printf("Forbidden\n"); break;
		case 404:printf("Not Found\n"); break;
		case 500:printf("Internal Server Error\n"); break;
		case 502:printf("Bad Gateway\n"); break;
		}
	}

	return 0;
}