import java.util.ArrayDeque;
import java.util.Arrays;
import java.util.Scanner;

class Main {
	static int N;
	static int M;
	static int[][] E;

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		N = sc.nextInt();
		M = sc.nextInt();
		E = new int[M][N];
		for (int i = 0; i < M; ++i) {
			for (int j = 0; j < N; ++j) {
				E[i][j] = sc.nextInt();
			}
		}
		double[] expectedValue = new double[M];
		for (int m = 0; m < M; ++m) {
			RMQ max = new RMQ(N);
			RMQ min = new RMQ(N);
			for (int i = 0; i < N; ++i) {
				max.setVal(i, E[m][i]);
				min.setVal(i, -E[m][i]);
			}

			for (int i = 0; i < N; ++i) {
				for (int j = i + 1; j < N; ++j) {
					double e = 0;
					int maxV = max.query(i, j + 1);
					int minV = -min.query(i, j + 1);
					if (maxV > Math.max(E[m][i], E[m][j])) {
						e = Math.max(e, maxV);
					}
					if (minV < Math.min(E[m][i], E[m][j])) {
						e = Math.min(e, minV);
					}
					expectedValue[m] += e;
				}
			}
		}
		int ans = 0;
		for (int m = 1; m < M; ++m) {
			if (expectedValue[ans] < expectedValue[m]) {
				ans = m;
			}
		}
		System.out.println(ans);
	}

	static class RMQ {
		int n = 1;
		int[] val;

		public RMQ(int n_) {
			while (n < n_)
				n *= 2;
			val = new int[2 * n - 1];
			Arrays.fill(val, -1);
		}

		void setVal(int k, int v) {
			k += n - 1;
			val[k] = v;
			while (k > 0) {
				k = (k - 1) / 2;
				val[k] = Math.max(val[2 * k + 1], val[2 * k + 2]);
			}
		}

		int query(int a, int b) {
			return query(a, b, 0, n, 0);
		}

		int query(int a, int b, int l, int r, int k) {
			if (b <= l || a >= r) {
				return -Integer.MAX_VALUE / 10;
			} else if (a <= l && r <= b) {
				return val[k];
			} else {
				int vl = query(a, b, l, (l + r) / 2, 2 * k + 1);
				int vr = query(a, b, (l + r) / 2, r, 2 * k + 2);
				return Math.max(vl, vr);
			}
		}
	}

	static void tr(Object... objects) {
		System.out.println(Arrays.deepToString(objects));
	}
}