#include <stdio.h>
int main()
{
    int n=0;
   while( scanf("%d",&n)!=EOF)
   {
    switch(n)
    {
        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;
}