北大OJ1298

#include<iostream>
#include<string>
using namespace std;
int main()
{
	char ch1[11],ch2[201],ch3[201];
	int i;
	while(gets(ch1))
	{
		if(ch1=="ENDOFINPUT")break;
		cin.getline(ch2,201);
		i=0;
		while(ch2[i]!='\0')
		{
			if(ch2[i]<'A'||ch2[i]>'Z')
			{
				ch3[i]=ch2[i];
				i++;
				continue;
			}
			else
			{
			if(ch2[i]>='F')
			ch3[i]=ch2[i]-5;
			else
				ch3[i]='Z'+(ch2[i]-'A')-4;
			i++;
			}
		}
		ch3[i]='\0';
		cout<<ch3<<endl;
	     gets(ch1);
	}
    return 0;
}