#include<bits/stdc++.h>
using namespace std;
int main()
{
	string a;
	getline(cin,a);
	int a2=a.size();
	for(int i=0;i<a2;i++)
	{
		if(a[i]>='A'&&a[i]<='Z')
		{
			if((a[i]-5)<65)
			{
				a[i]=a[i]-5+26;
			}
			else
			{
				a[i]=a[i]-5;
			}
		}
	}
	for(int i=0;i<a2;i++)
	{
		cout<<a[i];
	}
	return 0;
}
 
/**************************************************************
	Problem: 1387
	User: wangyuxin
	Language: C++
	Result: Accepted
	Time:6 ms
	Memory:2076 kb
****************************************************************/