var x = 1;

while(x <= 2){
	print x;
	x = x + 1;
}
print "";

while(x > 0){
	print x;
	x = x - 1;
}
print "";

while(x < 2){
	print x;
	x = x + 1;
}
print "";

{
	var x = 1;

	while(x <= 2){
		print x;
		x = x + 1;
	}
	print "";

	while(x > 0){
		print x;
		x = x - 1;
	}
	print "";

	while(x < 2){
		print x;
		x = x + 1;
	}
}