#include <bits/stdc++.h>
using namespace std;
int main() {
int n;
cin >> n;
while(n--)
{
string s,a,b;
cin >> s >> a >> b;
cout << s[0] << a[0] << b[0] << endl;
}
return 0;
}
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7
united states america
oh my god
i cant lie
binary indexed tree
believe in yourself
skibidi slay sigma
god bless america