12760번: 최후의 승자는 누구? ↗

n,m = map(int,input().split())

D = [0]*(n+1)
L = []
cnt = [0]*(n+1)

for i in range(n):
    L.append(sorted(list(map(int,input().split())),reverse = True))

for i in range(m):
    s = [0]+[j[i] for j in L]
    mx = max(s)
    for k in range(len(s)):
        if s[k] == mx:
            cnt[k]+=1

mx = max(cnt)
for i,j in enumerate(cnt):
    if j == mx:
        print(i,end=" ")