#include<iostream> #include<cstring> using namespace std; string s; int main(){ getline(cin,s); int len = s.size(); for(int i=0;i<len;i++){ if(s[i]>='a'&&s[i]<='z'){ s[i]=s[i]+1; if(s[i]>'z'){ s[i]='a'; } } else if(s[i]>='A'&&s[i]<='Z'){ s[i]=s[i]+1; if(s[i]>'Z'){ s[i]='A'; } } } cout<<s; }