NO
YES
NO

import java.util.Scanner;
public class Main 
{
 public static void main(String[] args) 
 {
  Scanner reader=new Scanner(System.in);
  while(reader.hasNext())
  {
   int a1,a2,b1,b2,c1,c2;
         a1=reader.nextInt();
         b1=reader.nextInt();
         c1=reader.nextInt();
         a2=reader.nextInt();
         b2=reader.nextInt();
         c2=reader.nextInt();
         int t;
         if(a1<b1)
         {
          t=a1;a1=b1;b1=t;          
         }
         if(a1<c1)
         {
          t=a1;a1=c1;c1=t;          
         }
         if(b1<c1)
         {
          t=b1;b1=c1;c1=t;          
         }
         if(a2<b2)
         {
          t=a2;a2=b2;b2=t;          
         }
         if(a2<c2)
         {
          t=a2;a2=c2;c2=t;          
         }
         if(b2<c2)
         {
          t=b2;b2=c2;c2=t;          
         }
         if((c1+b1>a1) && (c2+b2>a2))
         {
          if((a1*b2==b1*a2) && (a1*c2==c1*a2) && (b1*c2==c1*b2))
          {
           System.out.println("YES");
          }
          else
          {
           System.out.println("NO");
          }
         }
         else
         {
          System.out.println("NO");
         }
  }    
 }
}