import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int [] ans = new int [10];
        int k=0;
        print(ans);
        String S = sc.nextLine();
        if("10 unlocked".equals(S))return;
        String [] arr = S.split(" ");
        int X = Integer.parseInt(arr[0]);
        while(k<10){
            for(int i=1; i<10; i++){
                ans[k]=i;
                print(ans);
                String tmp = sc.nextLine();
                String [] arrtmp = tmp.split(" ");
                int Y = Integer.parseInt(arrtmp[0]);
                if(Y==10)return;
                if(X<Y){
                    k++;
                    X=Y;
                    break;
                }else if(X>Y){
                    ans[k]=0;
                    k++;
                    break;
                }
            }
        }
    }
    static void print(int [] A){
        for(int i=0; i<10; i++){
            System.out.print(A[i]);
        }
        System.out.println();
        System.out.flush();
    }
}