#include<bits/stdc++.h>
using namespace std;
int main(){
	string s1,s2;
	getline(cin,s1);
	for(int i=0;i<s1.size();i++){
		if(s1[i]>='A'&&s1[i]<='E'){
		    s1[i]=s1[i]+21;
		}
		else if(s1[i]>='F'&&s1[i]<='Z'){
	     s1[i]=s1[i]-5;
		}
	}
	cout<<s1;
	return 0;
}

/**************************************************************
	Problem: 1387
	User: zhuanghaoxiang
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2076 kb
****************************************************************/