#include <bits/stdc++.h>

using namespace std;

int x[1005],y[1005],r[1005];

int deg[1005];

int main() 
{
    ios::sync_with_stdio(false); cin.tie(0);
    
    int n; cin>>n;
    for (int i=0;i<n;i++) cin>>x[i]>>y[i]>>r[i];

    for (int i=0;i<n;i++)
        for (int j=0;j<i;j++)
        {
            if ((long long)(x[i]-x[j])*(x[i]-x[j]) + (long long)(y[i]-y[j])*(y[i]-y[j]) == (long long)(r[i]+r[j])*(r[i]+r[j]))
            {
                deg[i]++;
                deg[j]++;
            }
        }

    for (int i=0;i<n;i++) if (deg[i]<=1) return cout<<"YES\n",0;
    cout<<"NO\n";

    return 0;
}