import sys

ans = [0] * 10
D = [[0] * 10 for i in range(10)]

for i in range(10):
    for j in range(10):
        ans[i] = j
        print(*ans, sep="")
        sys.stdout.flush()
        Q = input().split()
        if Q[1] == "unlocked":
            exit()
        D[i][j] = int(Q[0])
        
for i in range(10):
    ans[i] = D[i].index(max(D[i]))
print(*ans, sep="")
sys.stdout.flush()
exit()