View Code of Problem 3308

#include<iostream>
#include<string>
#include<cstring>
#include<vector>
#include<iomanip>
#include<cstring>
#include<cstdio>
using namespace std;
char change(char a)
{
	return (char)(((a - 'A' +21) % 26) + 'A');
}
int main()
{
	string s1;
	while (cin >> s1)
	{
		if (s1 == "ENDOFINPUT")
			break;
		string s;
		getchar();
		getline(cin, s);
		int len = s.size();
		for (int i = 0;i < len;i++)
		{
			if (s[i] <= 'Z'&&s[i] >= 'A')
			{
				cout << change(s[i]);
			}
			else
				cout << s[i];
		}
		cout << endl;
		string s2;
		cin >> s2;
	}
	

}