#include <iostream>
using namespace std;
int main() {
int t;
cin>> t;
while(t--){
int n;
cin>> n;
int last = n%10;
int first = 0;
while(n>10){
n =n/10;
first = n%10;
}
cout<<(first+last)<<endl;
}
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwoKaW50IG1haW4oKSB7CglpbnQgdDsKCWNpbj4+IHQ7Cgl3aGlsZSh0LS0pewoJCWludCBuOwoJCWNpbj4+IG47CgkJaW50IGxhc3QgPSBuJTEwOwoJCWludCBmaXJzdCA9IDA7CgkJd2hpbGUobj4xMCl7CgkJCW4gPW4vMTA7CgkJCWZpcnN0ID0gbiUxMDsKCQkJCgkJfQoJCQljb3V0PDwoZmlyc3QrbGFzdCk8PGVuZGw7Cgl9CglyZXR1cm4gMDsKfQ==