import java.io.*; import java.util.*; public class Main { public static void main(String[] args) throws Exception { Scanner sc = new Scanner(); int n = sc.nextInt(); int m = sc.nextInt(); ArrayList> probables = new ArrayList<>(); for (int i = 0; i < m; i++) { probables.add(new ArrayList<>()); } int[] maxes = new int[m]; StringBuilder sb = new StringBuilder(); int[] prizes = new int[n]; int count = 0; for (int j = 0; j < n; j++) { for (int i = 0; i < m; i++) { int x = sc.nextInt(); if (maxes[i] < x) { for (int y : probables.get(i)) { prizes[y]--; if (prizes[y] == 0) { count--; } } probables.get(i).clear(); probables.get(i).add(j); maxes[i] = x; if (prizes[j] == 0) { count++; } prizes[j]++; } else if (maxes[i] == x) { probables.get(i).add(j); if (prizes[j] == 0) { count++; } prizes[j]++; } } sb.append(count).append("\n"); } System.out.print(sb); } } class Scanner { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(""); public Scanner() throws Exception { } public int nextInt() throws Exception { return Integer.parseInt(next()); } public long nextLong() throws Exception { return Long.parseLong(next()); } public double nextDouble() throws Exception { return Double.parseDouble(next()); } public String next() throws Exception { while (!st.hasMoreTokens()) { st = new StringTokenizer(br.readLine()); } return st.nextToken(); } }