import sys

sys.setrecursionlimit(10 ** 6)

int1 = lambda x: int(x) - 1
p2D = lambda x: print(*x, sep="\n")
def II(): return int(sys.stdin.readline())
def SI(): return sys.stdin.readline()[:-1]
def MI(): return map(int, sys.stdin.readline().split())
def MI1(): return map(int1, sys.stdin.readline().split())
def MF(): return map(float, sys.stdin.readline().split())
def LI(): return list(map(int, sys.stdin.readline().split()))
def LI1(): return list(map(int1, sys.stdin.readline().split()))
def LF(): return list(map(float, sys.stdin.readline().split()))
def LLI(rows_number): return [LI() for _ in range(rows_number)]
dij = [(0, 1), (1, 0), (0, -1), (-1, 0)]

def main():
    n,m=MI()
    mem=[[] for _ in range(m)]
    val=[-1]*m
    no1=[[False]*m for _ in range(n)]
    ans=0
    for i in range(n):
        rr=LI()
        for j,r in enumerate(rr):
            if r>val[j]:
                while mem[j]:
                    ii=mem[j].pop()
                    no1[ii][j]=False
                    if sum(no1[ii])==0:ans-=1
                val[j]=r
                mem[j].append(i)
                no1[i][j]=True
                if sum(no1[i])==1:ans+=1
            elif r==val[j]:
                mem[j].append(i)
                no1[i][j]=True
                if sum(no1[i])==1:ans+=1
        print(ans)

main()