#include<bits/stdc++.h>
using namespace std;
int main(){
string s,a="";
getline(cin,s);
for(int i=0;i<s.size();i++){
	if(s[i]>='A'&&s[i]<='E'){
		s[i]+21;
	}else if(s[i]>='F'&&s[i]<='Z'){
		s[i]-5;
	}
}
cout<<s;
	return 0;
}

/**************************************************************
	Problem: 1387
	User: huxuanchen
	Language: C++
	Result: Wrong Answer
****************************************************************/