/*
 * 作成日: 2004/04/17
 * 
 */
package my4321;

public class my4321 {
	private int n;
	private int[] o = new int[4];
	private int[] s = new int[4];
	private int O;
	private int S;


	my4321(int aInt) {
		n = aInt;
	}

	void setN() {
		O=S=0;
		for (int i = 0; i < o.length; i++) {
			O += o[i] * (int) Math.pow(10, o.length - i - 1);
			S += s[i] * (int) Math.pow(10, o.length - i - 1);
		}
		n = O - S;

	}
	void sort() {
		for (int i = 0; i < o.length; i++) {
			int w = (int) Math.pow(10, o.length - i - 1);
			//System.out.println("w="+w);
			o[i] = s[i] = (n / w);
			n = n % w;
		}
		for (int j = 0; j < o.length - 1; j++) {
			for (int k = j + 1; k < o.length; k++) {
				if (o[j] < o[k]) {
					int t = o[j];
					o[j] = o[k];
					o[k] = t;
				}
				if (s[j] > s[k]) {
					int t = s[k];
					s[k] = s[j];
					s[j] = t;
				}
			}
		}
	}

 int	 showN() {
		return n;

	}

	void showOS() {
		for (int i = 0; i < o.length; i++) {
			System.out.println("oは" + o[i] + "\tsは" + s[i]);
		}
		System.out.println(O+"-"+S+"="+showN());
		System.out.println();
	}

	public static void main(String[] args) {
		my4321 aMytest = new my4321(3412);

			for (int i = 0; i < 10; i++) {

				
				aMytest.sort();
				aMytest.setN();
				aMytest.showOS();
			}
		

	}
}