class Main {
    void main() {
        int a, b;

        a = 1;
        b = 2;

        write(+a); writeln();
        write(-a); writeln();
        write(+a --b); writeln();
        write(-a--b); writeln();
        write(-----a-----5--b); writeln();
        write(-----a*---------b);writeln();
    }
}