#include <bits/stdc++.h>
using namespace std;
int N,A,B,X[15],Y[15],K[15];
int main(){
    scanf("%d%d%d",&N,&A,&B);
    assert(2<=N and N<=14);
    assert(1<=A and A<=4000);
    assert(1<=B and B<=1e6);
    for(int i=0;i<N;i++)scanf("%d%d%d",&X[i],&Y[i],&K[i]);
    for(int i=0;i<N;i++){
        assert(-1e3<=X[i] and X[i]<=1e3);
        assert(-1e3<=Y[i] and Y[i]<=1e3);
        assert(1<=K[i] and K[i]<=1e6);
    }
}