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