import java.util.*;
import java.util.Map.Entry;
import java.math.*;
import java.awt.geom.*;
import java.io.*;
      
      
public class Main {	

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		boolean[] check = new boolean[10];
		char[] say = new char[10];
		for(int i = 0; i < 10; i++) {
			say[i] = '0';
		}
		int pre = 0;
		boolean first = true;
		while(true) {
			System.out.println(String.valueOf(say));
			int ans = sc.nextInt();
			String res = sc.next();
			if(ans == 10) break;
			if(first) {
				first = false;
				pre = ans;
				continue;
			}
			for(int i = 0; i < 10; i++) {
				if(!check[i]) {
					if(pre > ans) {
						say[i]--;
						check[i] = true;
					}
					else {
						say[i]++;
					}
					break;
				}
			}
		}
		
	}
	
}