#include <stdio.h>
int main()
{
int a;
while(~scanf("%d",&a))
{
    getchar();
    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");
    }
}
return 0;
}