#include <bits/stdc++.h> using namespace std; int main(){ char a[51]; cin >> a; for(int i = 0; i < strlen(a); i++){ if(a[i] >= 'a' && a[i] <= 'z'){ a[i] -= ('a' - 'A'); a[i] = 'A' + (a[i] + 3 - 'A') % 26; }else if(a[i] >= 'A' && a[i] <= 'Z'){ a[i] += ('a' - 'A'); a[i] = 'a' + (a[i] + 3 - 'a') % 26; } } for(int j = strlen(a) - 1; j >= 0; j--){ cout << a[j]; } return 0; }