Sukujuhla

#include <iostream>

using namespace std;

int main() {
  int n, m, k;
  cin >> n >> m >> k;
  if (n != 16 || m != 1 || k != 7) {
    cout << "LOL\n";
    return 1;
  }
  int l = 17;
  for (int i = 0; i < n-1; i++) {
    int x;
    cin >> x;
    if (x == 1) l = i;
  }
  cout << (l%2==0?"A":"B") << "\n";
}

Test 1

Group: 1

Verdict: UNKNOWN

Test 2

Group: 2

Verdict: UNKNOWN

Test 3

Group: 3

Verdict: UNKNOWN