#include <stdio.h>
#include <math.h>
int main(){
  int a, b, r, a1, b1, r1;
  double temp;
  freopen("input.txt","r",stdin);
  freopen("output.txt","w",stdout);
  scanf("%d%d%d%d%d%d", &a, &b, &r, &a1, &b1, &r1);
  temp=sqrt(pow((double)(a-a1), 2.) + pow((double)(b-b1), 2.));
  if(temp>(double)(r+r1) || temp+(double)r<r1 || temp+(double)r1<r)
        printf("NO");
  else
      printf("YES");

  return 0;
}