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 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); } } }