#define _USE_MATH_DEFINES
#include <string>
#include <algorithm>
#include <cmath>
#include <iomanip>
#include <fstream>
#include <deque>
#include <vector>
#include <stack>


using namespace std;

int main() {
	ifstream in("input.txt");
	ofstream out("output.txt");
	long long n, m;
	in >> n >> m;
	long long t[399][399];
	long long x[399] = {0};
	long long y[399] = {1000};
	long long x1[399];
	long long y1[399];
	long long mxX = 0, mnY = 1000, c = 0;
	for (long long i = 0; i < n; i++) {
		for (long long j = 0; j < m; j++) {
			in >> t[i][j];
			long long h = t[i][j];
			if (h > x[i]) {
				x1[i] = max (h,x[i]);
			}
			if (h < y[i]) {
				y1[i] = min (h, y[i]);
			}
		}
	}
	for (long long i = 0; i < n; i++) {
		for (long long j = 0; j < m; j++) {
			if (t[i][j] == x1[i] && t[i][j] == y1[i]) {
				c++;
			}
		}
	}
	out << c;
	out.close();
	in.close();
	return 0;
}