#include<bits/stdc++.h>
using namespace std;
string s;
int main(){
    cin>>s;
    for(int i=0;s[i];i++)
      if(s[i]>='a'&&s[i]<='z'
        &&s[i]>='A'&&s[i]<='Z')
        if(s[i]=='z'||s[i]=='Z') s[i]-=25;
        else s[i]++;
    cout<<s;
    return 0;
}