public class Signed extends Obj {
    int val;
    Signed(int n) {
        val=n;
    }
    static public void print(Signed s) {
        System.out.print(s.val);
    }        
    public final void printSigned() {
        System.out.print(val);
    }
    public void print() {
        // System.out.print(this.val);
        // this.printSigned();
        print(this);
    }
}