import sys

sys.setrecursionlimit(10**7)
def I(): return int(sys.stdin.readline().rstrip())
def MI(): return map(int,sys.stdin.readline().rstrip().split())
def LI(): return list(map(int,sys.stdin.readline().rstrip().split()))
def LI2(): return list(map(int,sys.stdin.readline().rstrip()))
def S(): return sys.stdin.readline().rstrip()
def LS(): return list(sys.stdin.readline().rstrip().split())
def LS2(): return list(sys.stdin.readline().rstrip())


N,T = MI()
expected = []
for _ in range(T):
    E = LI()

    m = [[0]*N for _ in range(N)]
    for i in range(N):
        x = 1000
        for j in range(i,N):
            x = min(x,E[j])
            m[i][j] = x
    M = [[0]*N for _ in range(N)]
    for i in range(N):
        y = -1
        for j in range(i,N):
            y = max(y,E[j])
            M[i][j] = y

    exp = 0
    for i in range(N-1):
        a = E[i]
        for j in range(i+1,N):
            b = E[j]

            if i == 0:
                X_min = 1000
                X_max = 0
            else:
                X_min = m[0][i-1]
                X_max = M[0][i-1]
            if j == i+1:
                Y_min = 1000
                Y_max = 0
            else:
                Y_min = m[i+1][j-1]
                Y_max = M[i+1][j-1]
            if j == N-1:
                Z_min = 1000
                Z_max = 0
            else:
                Z_min = m[j+1][-1]
                Z_max = M[j+1][-1]

            e = 0
            if a < b:
                if X_max > a or Y_min < a or Y_max > b or Z_min < b:
                    e = b
                else:
                    continue
                e = max(e,X_max,Y_max)
            else:
                if X_min < a or Y_min < b or Y_max > a or Z_max > b:
                    e = a
                else:
                    continue
                e = max(e,Y_max,Z_max)
            exp += e

    expected.append(exp)

max_expected = max(expected)
for i in range(T):
    if expected[i] == max_expected:
        print(i)
        break