#include <bits/stdc++.h>

int main() {
	char res[11] = { 0 };
	char tmp[11];
	memset(tmp, '0', sizeof(tmp));
	for (int i = 0; i < 10; i++) {
		int max = -1, index = -1;
		for (int j = 0; j < 10; j++) {
			tmp[i] += j;
			puts(tmp);
			fflush(stdout);
			int match;
			scanf("%d%*s", &match);
			if (match == 10) return 0;
			if (match > max) max = match, index = j;
			tmp[i] -= j;
		}
		res[i] = index + '0';
	}
	puts(res);
	return 0;
}