tj

#include<bits/stdc++.h>
using namespace std;

int main()
{
    string a;
    cin>>a;
    for(int i = 0;i<a.size();i++)
        if(a[i]>='0'&&a[i]<='9')
            cout<<a[i];
        else if(a[i]=='z')
            cout<<'a';
        else if(a[i]=='Z')
            cout<<'A';
        else 
            cout<<char(a[i]+1);
}