#include <bits/stdc++.h> using namespace std; int main(){ int n; string s; cin >> n; for(int i = 0; i < n; i++) { cin >> s; if (s[0] >= 'a' && s[0] <='z'){ s[0] = s[0] - 'a' + 'A'; } for (int j = 1; j < s.length(); j++) if (s[j] >= 'A' && s[j] <='Z') s[j] = s[j] - 'A' + 'a'; for (int j = 0; j < s.length(); j++) cout << s[j]; cout << endl; } return 0; }