easy

#include<iostream>
#include<string>
using namespace std;
int main()
{
    string s,ss[114];
    int n;
    cin >> n;
    for(int i = 0;i < n;i++)
    {
        cin >> s;
        if(s[0] >= 'a' && s[0] <='z')s[0] -= 32;
        for(int j = 1;j < s.size();j++)
        {
            if(s[j] >= 'A' && s[j] <= 'Z')s[j] += 32;
        }
        ss[i] = s;
    }
    for(int i = 0;i < n;i++)cout << ss[i] << "\n";
    return 0;
}