import java.io.PrintStream;
import java.util.Arrays;
import java.util.Scanner;

/**
 * Solution to Law 11
 * 
 * All measurements are to the opponent's goal line (at x=50).
 * So, we can completely ignore the y coordinate.
 * 
 * @author vanb
 */
public class law11_vanb
{
    private static Scanner sc;
    private static PrintStream ps;
    
    private void doit()
    {
        boolean offside = false;
        
        // Here's the ball
        int ball = sc.nextInt(); sc.nextInt();
        
        // Find the most forward offensive player
        int offense = -100;
        for( int i=0; i<11; i++ )
        {
            int x = sc.nextInt(); sc.nextInt();
            if( x>offense ) offense = x;
        }
        
        // Is the most forward offensive player on the defense's side of the field,
        // and ahead of the ball?
        if( offense>0 && offense>ball )
        {
            // Count the number of defensive players ahead of that guy
            int count = 0;
            for( int i=0; i<11; i++ )
            {
                int defense = sc.nextInt(); sc.nextInt();
                if( defense>offense ) ++count;
            }
            
            // Offside if 1 or fewer defensive players are ahead
            offside = count<2;
        }
        
        ps.println( offside ? 1 : 0 );
    }
        
    public static void main( String[] args ) throws Exception
    {
        sc = new Scanner( System.in );
        ps = System.out;
        
        new law11_vanb().doit();
    }

}