#include<iostream>
#include<cstring>
using namespace std;
const int M = 1024;
int main()
{
	char line[M], ans[M];
	cin.getline(line, M);
	int i = 0;
	while (line[i]) {
		if (line[i] >= 'A' && line[i] <= 'Z')
			ans[i] = 'A' + (line[i] + 3 - 'A')%26;
		else if (line[i] >= 'a' && line[i] <= 'z')
			ans[i] = 'a' + (line[i] + 3 - 'a')%26;
		else
			ans[i] = line[i];
		i++;
	}
	ans[i] = '\0';
	cout << ans << endl;
	return 0;
}