相似三角形

import java.util.*;
public class Main{
	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);
		while(sc.hasNext()) {
			double x[]=new double[4];
			double y[]=new double[4];
			int i;
			for(i=1;i<=x.length-1;i++) {
				x[i]=sc.nextDouble();
			}
			Arrays.sort(x);
			for(i=1;i<=y.length-1;i++) {
				y[i]=sc.nextDouble();
			}
			Arrays.sort(y);
			double a[]=new double[4];
			for(i=1;i<=x.length-1;i++) {
				a[i]=x[i]/y[i];
			}
			if(x[1]+x[2]>x[3]&&y[1]+y[2]>y[3]) {
				if(a[1]==a[2]&&a[2]==a[3]) {
					System.out.println("YES");
				}
				else
					System.out.println("NO");
			}
			else
				System.out.println("NO");
		}
		sc.close();
	}
}