#include <bits/stdc++.h>
using namespace std;
int main() {
double x1, y1, r1, x2, y2, r2; cin >> x1 >> y1 >> r1 >> x2 >> y2 >> r2;
double distance = sqrt(pow(x1-x2, 2) + pow(y1-y2, 2));
if (distance > r1+r2) cout << "NO";
else if (distance <= r1+r2) cout << "YES";
}
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