#include <stdio.h>
#include <stdlib.h>
#define rep(i, n) for (i = 0; i < n; i++)

int try(int *t) {
	int i, x, s[9];
	rep(i, 10) printf("%d", t[i] % 10);
	printf("\n");
	fflush(stdout);
	scanf("%d %s", &x, s);
	if (x == 10) exit(0);
	return x;
}

int main() {
	int i, j, r[10];
	rep(i, 10) r[i] = rand() % 10;
	int x = try(r);
	rep(i, 10) {
		int t = x = try(r);
		rep(j, 10) {
			r[i]++;
			x = try(r);
			if (x > t) break;
			if (x < t) { r[i]--; break; }
		}
	}
}