<?php

$handle = fopen ("php://stdin", "r");
function isSatisfiable($c1, $c2, $h1, $h2){
    // Complete this function
    $cmin = min($c1, $c2);
    $cmax = max($c1, $c2);
    $hmin = min($h1, $h2);
    $hmax = max($h1, $h2);
    if($cmin<=$hmin && $cmin<=$hmax && $cmax<=$hmin && $cmax<=$hmax){
        if(($hmin-$cmin) >= 0)
            return 'YES';
        else
            return 'NO';
    }
    else
        return 'NO';
}

// Return "YES" if all four conditions can be satisfied, and "NO" otherwise
fscanf($handle, "%d %d %d %d", $c1, $c2, $h1, $h2);
$result = isSatisfiable($c1, $c2, $h1, $h2);
echo $result . "\n";

?>

static String isSatisfiable(int c1, int c2, int h1, int h2){
    //checking the initial condition for atleast and atmost    
        if((c1>=35) && (c2>=35) &&(h1<=95) && (h2<=95))
            {
            //checking the minimum temperature with max temperature
            if(h1>=c1 && h2>=c2)
                {
                //checking if atmost of 2nd temperature is less than atleast of 1st temperature . If so return "no"
                  if(h2<c1)
                      {
                      return "NO";
                  }
                //checking if atmost of 1st temperature is less than atleast of 2nd temperature. If so return "no"
                else if(h1<c2)
                    {
                    return "NO";
                }
                //if it satisfies all the condition . return "yes"
                else
                    {
                return "YES";
                }
            
            }
            //if it fails with min temperature comparison with max temp return "no"
            else
                {
                return "NO";
            }
            
        }
        //if it fails the basic condition return "no"
        else 
            return "NO";
     
    }