#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() using namespace std; int main(){ char a,b,c,d,e,f,g,h; cin>>a>>b>>c>>d; e=((a+1)-96)%26+96; f=((b+1)-96)%26+96; g=((c+1)-96)%26+96; h=((d+1)-96)%26+96; cout<<e<<" "<<f<<" "<<g<<" "<<h; return 0; }