#include <bits/stdc++.h>
 
using namespace std;
 
int main() {
  char a, b = 'z', c = 'a', d = 'Z', e = 'A';
  int f = 1, g = 35;
  while(cin >> a){
  	if(a <= b && a >= c){
    	cout << a + f;
	}
	else if(a <= d && a > e){
		cout << a + f;
	}
	else if(a == c && a == e){
		cout << a - g;
	}
  }
  return 0;
}