#include <stdio.h>

int main() {
    int data;
    while(~scanf("%d",&data)){
        switch (data) {
        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;
}