#include <bits/stdc++.h>
using namespace std;
#define GET_MACRO(a, b, c, NAME, ...) NAME
#define rep(...) GET_MACRO(__VA_ARGS__, rep3, rep2)(__VA_ARGS__)
#define rep2(i, a) rep3 (i, 0, a)
#define rep3(i, a, b) for (int i = (a); i < (b); i++)
#define repr(...) GET_MACRO(__VA_ARGS__, repr3, repr2)(__VA_ARGS__)
#define repr2(i, a) repr3 (i, 0, a)
#define repr3(i, a, b) for (int i = (b) - 1; i >= (a); i--)
template<class T1, class T2> inline bool chmin(T1 &a, T2 b) { return b < a && (a = b, true); }
template<class T1, class T2> inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); }
using ll = long long;

const int inf = 1e9;

int main() {
	int n, m;
	cin >> n >> m;
	static int A[3][800];
	rep(i, m) rep(j, n) cin >> A[i][j];

	pair<ll, int> ans;
	rep(u, m) {
		ll E = 0;
		int *a = A[u];

		vector<int> maxFront(n), minFront(n), maxBack(n), minBack(n);
		rep(i, n) maxFront[i] = minFront[i] = maxBack[i] = minBack[i] = a[i];
		rep(i, 1, n) {
			chmax(maxFront[i], maxFront[i - 1]);
			chmin(minFront[i], minFront[i - 1]);
		}
		repr(i, n - 1) {
			chmax(maxBack[i], maxBack[i + 1]);
			chmin(minBack[i], minBack[i + 1]);
		}

		rep(i, n) {
			int mn = inf, mx = -inf;

			rep(j, i + 1, n) {
				int cand = 0;
				if (a[i] == a[j]) continue;
				// case 1: k < i < j
				if (i > 0) {
					if (a[i] < a[j]) {
						// a[k] > a[i]
						if (maxFront[i - 1] > a[i]) {
							chmax(cand, max(maxFront[i - 1], a[j]));
						}
					} else {
						// a[k] < a[i]
						if (minFront[i - 1] < a[i]) {
							chmax(cand, a[i]);
						}
					}
				}

				// case 2: i < k < j
				// a[k] > max(a[i], a[j])
				if (mx > max(a[i], a[j])) {
					chmax(cand, mx);
				}

				// a[k] < min(a[i], a[j])
				if (mn < min(a[i], a[j])) {
					chmax(cand, max(a[i], a[j]));
				}

				// case 3: i < j < k
				if (j < n - 1) {
					if (a[i] < a[j]) {
						// a[k] < a[j]
						if (minBack[j + 1] < a[j]) {
							chmax(cand, a[j]);
						}
					} else {
						// a[k] > a[j]
						if (maxBack[j + 1] > a[j]) {
							chmax(cand, max(maxBack[j + 1], a[i]));
						}
					}
				}
				chmin(mn, a[j]);
				chmax(mx, a[j]);
				E += cand;
			}
		}
		chmax(ans, make_pair(E, -u));
	}

	cout << -ans.second << endl;
	return 0;
}