#include<iostream> using namespace std; int main(){ char a,b,c,d; cin>>a>>b>>c>>d; cout<<char((a+1-97)%26+97)<<" "; cout<<char((b+1-97)%26+97)<<" "; cout<<char((c+1-97)%26+97)<<" "; cout<<char((d+1-97)%26+97); return 0; }