import sys
S = "0000000000"
print(S)
old_ck, S = map(str, input().split())
print(S)
i = 0

while True:
    ck, S = map(str, input().split())
    ck = int(ck)
    if ck == 10:
        sys.exit()
    if old_ck == ck:
        M = int(S[i])
        M += 1
        S[i] = str(S[i])
    elif old_ck < ck:
        i += 1
    else:
        M = int(S[i])
        M -= 1
        S[i] = str(S[i])
        i += 1
    print(S)