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