#include <stdio.h>

int main() {
    int a;
    while (scanf("%d", &a) != EOF) 
    {
        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;
}