#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;
}

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