#include <bits/stdc++.h> using namespace std; struct zf{ string s; }s1[101]; int main(){ int n; cin>>n; for (int i = 0;i<n;i++) cin>>s1[i].s; for (int i = 0;i<n;i++){ int len = s1[i].s.length(); if (s1[i].s[0] >= 'a' && s1[i].s[0] <= 'z'){ s1[i].s[0] -= 32; } for (int j = 1;j < len;j++){ if (s1[i].s[j] >= 'A' && s1[i].s[j] <= 'Z'){ s1[i].s[j] += 32; } } cout<<s1[i].s<<endl; } return 0; }