#include <bits/stdc++.h>
using namespace std;
using LL=long long;
#define FOR(i, l, r)for(int i = (l); i<=(r);++i)
#define REP(i, n)FOR(i,0,(n)-1)
#define ssize(x)int(x.size())

auto&operator<<(auto&o,pair<auto, auto>p) {
    return o << "(" << p.first << ", " << p.second << ")";
}
auto operator<<(auto&o, auto x)->decltype(x.end(),o){
    o<<"{";int i=0;for(auto e:x)o<<", "+!i++<<e;return o<<"}";}

int main() {
    int N; cin >> N;
    vector<tuple<int, int, int>> kola;
    for(int i = 0; i < N; i++) {
        int x, y, r; cin >> x >> y >> r;
        kola.push_back({x, y, r});
    }

        set<int> left;

    vector<vector<int>> sasiedzi(N);
    for(int i = 0; i < N; i++) {
        for(int j = i + 1; j < N; j++) {
            auto [x1, y1, r1] = kola[i];
            auto [x2, y2, r2] = kola[j];
            if((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1) == (r1 + r2) * (r1 + r2)) {
                sasiedzi[i].push_back(j);
                sasiedzi[j].push_back(i);
            }
        }
        left.insert(i);
    }



        vector<int> color(N, -1);
    while(!left.empty()) {
        int start = *(left.begin());
        left.erase(left.begin());

        stack<int> s;
        s.push(start);
        color[start] = 0;
        int color_count[2] = {1, 0};
        bool bipart = true;
        while(!s.empty()) {
            int curr = s.top();
            s.pop();

            for(auto neigh : sasiedzi[curr]) {
                if(color[neigh] == color[curr]) {
                    bipart = false;
                    break; // no
                }
                if(color[neigh] == -1) {
                    color[neigh] = (color[curr] + 1) % 2;
                    color_count[color[neigh]]++;
                    s.push(neigh);
                }
            }
        }

        if(bipart && color_count[0] != color_count[1]) {
            cout << "YES" << endl;
            return 0;
        }
    }
    cout << "NO" << endl;


}