fn left_shifts() {
	mut a := 12
	mut arr := []int{}
	a << 1
	if true {
		a << 2
	}
	c := if true { a << 111 } else { a << 333 }
	println(c)
	a << 1
	println(a)
	5 << 9
	for i in 0 .. 10 {
		z := i << 5
		i << 5
		println(z)
	}
	//
	arr << 1
	if true {
		arr << 2
	}
	d := if true {
		arr << 111
		777
	} else {
		arr << 333
		999
	}
	println(d)
	//
	x := if true {
		a << 1
		999
	} else {
		println('---')
		a << 9999
		println('---')
		555
	}
	println(x)
}

fn right_shifts() {
	mut rr := 12
	rr >> 1
	if true {
		rr >> 2
	}
	c := if true { rr >> 111 } else { rr >> 333 }
	println(c)
	rr >> 1
	println(rr)
	5 >> 9
	for i in 0 .. 10 {
		z := i >> 5
		i >> 5
		println(z)
	}
	//
	x := if true {
		rr >> 1
		999
	} else {
		println('---')
		rr >> 9999
		println('---')
		555
	}
	println(x)
}

fn main() {
	left_shifts()
	right_shifts()
}