#include<iostream>
using namespace std;

int main()
{
	string str;
	while(cin>>str)
	{
	    for(int i=0;i<str.size();i++)
	    {
		    if(str[i]>='a'&&str[i]<='z')
			    str[i]=(str[i]-'a'+3)%26+'a';
		    else if(str[i]>='A'&&str[i]<='Z')
			    str[i]=(str[i]-'A'+3)%26+'A';
	    }
	    cout<<str<<" ";
	}
	return 0;
}