1 D

#include <iostream>
#include <cmath>
#include <iomanip>

using namespace std;

int main() {
    int x1,y1,r1,x2,y2,r2;
    cin >> x1 >> y1 >> r1 >> x2 >> y2 >> r2;

    int dx = x1 - x2;
    int dy = y1 - y2;

    if (dx * dx + dy * dy > (r1 + r2)*(r1 + r2)) cout << "NO";
    else if (dx * dx + dy * dy < (r1 - r2)*(r1 - r2)) cout << "NO";
    else cout << "YES";
    return 0;
}