#include <bits/stdc++.h>

//const static double	de_PI	= 3.14159265358979323846;
//const static int	de_MOD	= 1000000007;
//const static int	de_MAX	= 999999999;
//const static int	de_MIN = -999999999;

int main(void) {

	//std::ifstream in("123.txt");	std::cin.rdbuf(in.rdbuf());

	std::string ans = "0000000000", result;
	int before = -1, now = -1, i = 0;

	while (1) {
		std::cout << ans << std::endl;
		std::cin >> now >> result;

		if (result == "unlocked") { return 0; }
		
		if (before == -1) {
			if (now == 0) {
				for (int j = 0; j < 10; j++) {
					ans[j]++;
				}
				continue;
			}

			before = now;
			ans[i]++;
			continue;
		}

		if (before < now) {
			i++;
			before = now;
			ans[i]++;
			continue;
		}

		if (before > now) {
			ans[i]--;
			i++;
			ans[i]++;
			continue;
		}

		ans[i]++;
	
	}
	
}