import sys def input(): return sys.stdin.readline().strip() def list2d(a, b, c): return [[c] * b for i in range(a)] def list3d(a, b, c, d): return [[[d] * c for j in range(b)] for i in range(a)] def list4d(a, b, c, d, e): return [[[[e] * d for j in range(c)] for j in range(b)] for i in range(a)] def ceil(x, y=1): return int(-(-x // y)) def INT(): return int(input()) def MAP(): return map(int, input().split()) def LIST(N=None): return list(MAP()) if N is None else [INT() for i in range(N)] def Yes(): print('Yes') def No(): print('No') def YES(): print('YES') def NO(): print('NO') sys.setrecursionlimit(10 ** 9) INF = 10 ** 19 MOD = 10 ** 9 + 7 EPS = 10 ** -10 ans = [0] * 10 for i in range(10): s = str(i) * 10 print(s, flush=1) x, res = input().split() if res == 'unlocked': exit() x = int(x) t = list(s) for j in range(10): t[j] = str((int(s[j])+1)%10) print(''.join(t), flush=1) x2, res = input().split() if res == 'unlocked': exit() x2 = int(x2) if x > x2: ans[j] = i t = list(s) print(''.join(map(str, ans)), flush=1) x, res = input().split()