#include <stdio.h>

int main() {
    int a;
    while (scanf("%d", &a) != EOF) { // 注意 while 处理多个 case
        // 64 位输出请用 printf("%lld") to 
        switch (a)
        {
            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;
}