#include<iostream>
#include<fstream>
using namespace std;
fstream fin("cutii.in",ios::in),fout("cutii.out",ios::out);
int x[1000][1000];
struct cutie
{
public:
    operator < ()
    int a,b,c;
};
int diferenta(int val)
{
    return val-(val&(val-1));
}
int query(int a,int b)
{
    int i,j,minim=0;
    for(i=a;i>0;i=i-diferenta(i))
    {
        for(j=b;j>0;j=j-diferenta(j))
        {
            minim=max(minim,x[i][j]);
        }
    }
    return minim;
}
int update(int a,int b,int val)
{
    int i,j;
    for(i=a;i<100;i=i+diferenta(i))
    {
        for(j=b;j<100;j=j+diferenta(j))
        {
            x[i][j]=max(x[i][j],val);
        }
    }
}

int main()
{
    int a,b,c,i,n;
    cin>>n;
    for(i=1;i<=n;i++)
    {
        cin>>a>>b>>c;
        v[i]={a,b,c};
    }
}