#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() 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; }