#include <bits/stdc++.h>

using namespace std;

//CAESAR CIPHER

int main(){
	string s;
	cin>>s;
	int d;
	for(int i=0;i<s.length();i++){
		if(s[i]>=65&&s[i]<=90)
			d=90;
		else
			d=122;
		s[i]+=3;
		if(s[i]>d)
		s[i]-=26;
	}
	cout<<s;
	return 0;
}