import java.util.Scanner;

public class FirstClass {
    public static String IntToBin(StringBuilder b, int val) {
        int mask = 0x80000000;

        while(mask != 0) {
            b.append((val & mask) != 0 ? '1' : '0');
            mask >>>= 1;

            if(mask == 0x800000 || mask == 0x8000 || mask == 0x80)
                b.append('-');
        }

        return b.toString();
    }

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        StringBuilder b = new StringBuilder();
        int i;

        while(true) {
            System.out.print("Введіть число або '0' для виходу: "); 
            i = in.nextInt();

            if (i != 0) {
                System.out.println(IntToBin(b, i));
                b.delete(0, b.length());
            }
            else break;
        }

        System.out.print("exit!");
    }
}