#include <bits/stdc++.h>

using namespace std;

int tt;
int main()
{
    cin>>tt;
    while(tt--)
    {
        int a,b,c;
        cin>>a>>b>>c;
        if(a==b) cout<<c;
        else if(b==c) cout<<a;
        else cout<<b;
        cout<<'\n';
    }
    return 0;
}

#include <iostream>
using namespace std;
int main() {
int t;
cin >> t;
while (t--) {
int a, b,c;
cin >> a >> b >> c;
cout << (a == b ? c : (b == c ? a : b)) << '\n';
}
return 0;
}