import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.Iterator;


public class Main_yukicoder305 {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        Printer pr = new Printer(System.out);

        int[] ans = new int[10];
        int[] max = new int[10];
        long base = 1;
        for (int i = 0; i < 10; i++) {
        	for (int j = 0; j < 10; j++) {
        		long tmp = base * j;
        		pr.printf("%010d\n", tmp);
        		pr.flush();

        		int ret = sc.nextInt();
        		String l = sc.next();
        		if (ret == 10) {
        			sc.close();
        			pr.close();

        			return;
        		} else {
        			if (ret > max[i]) {
        				max[i] = ret;
        				ans[i] = j;

        				break;
        			}
        		}

        	}

        	base *= 10;
        }

        base = 1;
        long ret = 0;
        for (int i = 0; i < 10; i++) {
        	ret += ans[i] * base;
        	base *= 10;
        }

		pr.printf("%010d\n", ret);
		pr.flush();



        pr.close();
        sc.close();
    }

	@SuppressWarnings("unused")
	private static class Scanner {
		BufferedReader br;
		Iterator<String> it;

		Scanner (InputStream in) {
			br = new BufferedReader(new InputStreamReader(in));
		}

		String next() throws RuntimeException  {
			try {
				if (it == null || !it.hasNext()) {
					it = Arrays.asList(br.readLine().split(" ")).iterator();
				}
				return it.next();
			} catch (IOException e) {
				throw new IllegalStateException();
			}
		}

		int nextInt() throws RuntimeException {
			return Integer.parseInt(next());
		}

		long nextLong() throws RuntimeException {
			return Long.parseLong(next());
		}

		float nextFloat() throws RuntimeException {
			return Float.parseFloat(next());
		}

		double nextDouble() throws RuntimeException {
			return Double.parseDouble(next());
		}

		void close() {
			try {
				br.close();
			} catch (IOException e) {
//				throw new IllegalStateException();
			}
		}
	}

	private static class Printer extends PrintWriter {
		Printer(PrintStream out) {
			super(out);
		}
	}
}