#[std]

fn main() {
    putstr("0 == 0 -> "); putboolln(0 == 0);
    putstr("0 != 0 -> "); putboolln(0 != 0);
    putstr("1 == 0 -> "); putboolln(1 == 0);
    putstr("1 != 0 -> "); putboolln(1 != 0);
    putstr("0 == 1 -> "); putboolln(0 == 1);
    putstr("0 != 1 -> "); putboolln(0 != 1);
}