upper-case-converter.cpp

#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define ff first
#define ss second
#define mp make_pair
#define pb push_back

const int N = 2e5 + 11;
const int DISTANCE = 32;

void solve() {
	string s;
	cin >> s;
	for (int i = 0; i < s.size(); i++)
		s[i] += (s[i] - DISTANCE < 65 ? DISTANCE : -DISTANCE);
	cout << s << endl;
}

int main() {
	freopen("input.txt", "r", stdin);
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	int no_of_test_cases = 1;
	cin >> no_of_test_cases;
	while (no_of_test_cases--)solve();
	return 0;
}