#include <stdio.h>

int main() {

    int http = 0;//初始化

    while (scanf("%d", &http) != EOF) //多组输入
    { 
        if (http == 200)
        {
            printf("OK\n");
        }
        if (http == 202)
        {
            printf("Accepted\n");
        }
        if (http == 400)
        {
            printf("Bad Request\n");
        }
        if (http == 403)
        {
            printf("Forbidden\n");
        }
        if (http == 404)
        {
            printf("Not Found\n");
        }
        if (http == 500)
        {
            printf("Internal Server Error\n");
        }
        if (http == 502)
        {
            printf("Bad Gateway\n");
        }
    }

    return 0;
}