#include <iostream>
#include <string>
using namespace std;

void out(int *ans)
{
	for (int i = 0; i < 10; i++) {
		cout << ans[i];
	}
	cout << endl;
}

int main()
{
	int ans[10];
	int fixed[10];

	for (int i = 0; i < 10; i++) {
		ans[i] = 0;
		fixed[i] = 0;
	}

	for (int i = 0; i < 10; i++) {

		for (int j = 0; j < 10; j++) {
			if (!fixed[j]) ans[j] = i;
		}

		out(ans);
		int count;
		string s;
		cin >> count >> s;

		for (int k = 0; k < 10; k++) {
			if (ans[k] == i) {
				if(i>0) ans[k] = 0;
				else ans[k] = 1;
				int n; string ss;
				out(ans);
				cin >> n >> ss;
				if (n < count) {
					fixed[k] = 1;
					ans[k] = i;
				}
			}
		}
	}

	out(ans);
	int count; string s;
	cin >> count >> s;

	return 0;
}