#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; int e,f,g,h; e=a+1; f=b+1; g=c+1; h=d+1; cout<<(char)((e-97)%26+97)<<' '<<(char)((f-97)%26+97)<<' '<<(char)((g-97)%26+97)<<' '<<(char)((h-97)%26+97); }