#include <stdio.h>

int main() { int http = 0;

while (scanf("%d", &http) != EOF)
{
    if (http == 200)
        printf("OK\n");
    else if (http == 202)
        printf("Accepted\n");
    else if (http == 400)
        printf("Bad Request\n");
    else if (http == 403)
        printf("Forbidden\n");
    else if (http == 404)
        printf("Not Found\n");
    else if (http == 500)
        printf("Internal Server Error\n");
    else
        printf("Bad Gateway\n");
}
return 0;

}