func print(c: u8) {
	foreign func putchar(c: i32) -> i32
	putchar(c as i32)
}

func test() -> i32 {
	global mut x = 0
	x += 1
	return x
}

print('0' + (test() as u8))
print('0' + (test() as u8))
print('0' + (test() as u8))
print('0' + (test() as u8))
print('0' + (test() as u8))
print('\n')