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