#include <bits/stdc++.h>
#define int int64_t
using namespace std;
int N;
vector<array<int, 3>> v;
vector<int> color(1100, 0);
vector<int> adj[1100];
int xx[3];
bool c(int pos, int cc){
    if(color[pos]>0){
        if(color[pos]==cc)return 0;
        return 1;
    }
    xx[cc]++;
    color[pos]=cc;
    bool a;
    for(auto x:adj[pos]){
        a|=c(x, 3-cc);
    }
    return a;
}
signed main(){
    ios_base::sync_with_stdio();
    cin.tie(0);
    cin>>N;
    for(int i=0;i<N;i++){
        int a, b, c;
        cin>>a>>b>>c;
        v.push_back({a, b, c});
    }
    for(int i=0;i<N;i++){
        for(int j=i+1;j<N;j++){
            auto [x, y, r]=v[i];
            auto [x1, y1, r1] = v[j];
            if((x-x1)*(x-x1)+(y-y1)*(y-y1)==(r+r1)*(r+r1)){
                adj[i].push_back(j);
                adj[j].push_back(i);
            }
        }
    }
    for(int i=0;i<N;i++){
        if(color[i])continue;
        xx[1]=0;
        xx[2]=0;
        if(c(i, 1))continue;
        if(xx[1]!=xx[2]){
            cout<<"YES\n";
            return 0;
        }
    }
    cout<<"NO\n";
}