N = int(input())
PA = [list(map(int, input().split())) for _ in range(N)]
P = [1] * N

ans = []
ans_append = ans.append
tmp = 0
count = 0
while True:
    if P[tmp] > PA[tmp][0]:
        count += 1
        tmp += 1
        if tmp == N:
            tmp = 0
        if count == N + 1:
            break
        continue
    ans_append(PA[tmp][P[tmp]])
    count = 0
    P[tmp] += 1
    tmp += 1
    if tmp == N:
        tmp = 0

print (*ans)