fn a(x: bool){
    if x {
        print "1"
    }
}

fn b(x: bool) {
    if x {} else {
        print 2
    }
}

fn c (x: bool) {
    if { return x } { print "no" } else { print "no" }
}

fn main() {
    a(true);
    print("a");
    a(false);
    print("b");
    b(true);
    print("a");
    b(false);
    print("b");
    c(true);
    c(false);
}