Readability

class Variable_1 {

  public static void main( String args[] ) {
	int x, y;

	x = 77;
	y = 49;
	
	while ( x != y )	{
		if ( x < y ) 
			y -= x;
		else
			x -= y;
	}
	System.out.println(x);

	System.out.println("Do you think this program");
	System.out.println("well explained?");
  }
}