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]>='a')
        {
            a[i]-=32;
        }else{
            a[i]+=32;
        }
        if(a[i]<'X'||(a[i]<'x'&&a[i]>='a'))
        {
            a[i]+=3;
        }else{
            a[i]-=23;
        }
    }
    for(int i = a.size()-1;i>=0;i--)
        {
            cout<<a[i];
        }
}