#include <iostream>
#include <bits/stdc++.h>

using namespace std;
typedef long long int ll;

#define UNSEEN 0
#define ZMENSI 1
#define ZVACSI 2

struct Vertex{
    int status = UNSEEN;
    vector<int> susedia;
};

int opposite(int status){
    return status == ZMENSI ? ZVACSI : ZMENSI;
}

bool dfs(vector<Vertex> &graph, int v, int newstatus, vector<int> &component) {
    if (graph[v].status != UNSEEN){
        return graph[v].status == newstatus;
    }
    component.push_back(v);
    graph[v].status = newstatus;
    for (int s: graph[v].susedia) {
        bool ret = dfs(graph, s, opposite(newstatus), component);
        if (!ret){
            return false;
        }
    }
    return true;
}

int main(){
    int n;
    cin >> n;
    vector<ll> x(n), y(n), r(n);
    for (int i=0;i<n;i++){
        cin>>x[i] >> y[i] >>r[i];
    }
    vector<Vertex> graph(n);
    for (int i=0; i<n; i++){
        for (int j=0; j<i; j++){
            if ((x[i] - x[j]) * (x[i] - x[j]) + (y[i] - y[j]) * (y[i] - y[j]) == (r[i] + r[j]) * (r[i] + r[j])){
                graph[i].susedia.push_back(j);
                graph[j].susedia.push_back(i);
            }
        }
    }
    bool result = false;
    for (int i=0; i<n; i++){
        if (graph[i].status == UNSEEN){
            vector<int> component;
            if (dfs(graph, i, ZMENSI, component)){
                int sum=0;
                for (int v: component){
                    sum += graph[v].status == ZMENSI ? 1 : -1;
                }
                if (sum != 0){
                    result = true;
                }
            }
        }
    }
    cout << (result ? "YES\n" : "NO\n");
}