import java.io.*;
import java.util.*;

public class Main {
    static int n;
    static int m;
    static boolean[][] votes;
    static boolean[][] unables;
    static int[] dp;
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        n = sc.nextInt();
        m = sc.nextInt();
        votes = new boolean[n][m];
        for (int i = 0; i < n; i++) {
            for (int j = 0; j < m; j++) {
                votes[i][j] = (sc.nextInt() == 1);
            }
        }
        unables = new boolean[1 << m][n];
        for (int i = 0; i < (1 << m); i++) {
            for (int j = 0; j < m; j++) {
                if ((i & (1 << j)) != 0) {
                    continue;
                }
                for (int k = 0; k < n; k++) {
                    unables[i][k] |= !votes[k][j];
                }
            }
        }
        dp = new int[1 << m];
        Arrays.fill(dp, -1);
        dp[0] = 1;
        System.out.println(dfw((1 << m) - 1));
    }
    
    static int dfw(int mask) {
        if (dp[mask] < 0) {
            dp[mask] = 0;
            for (int i = 0; i < m; i++) {
                if ((mask & (1 << i)) == 0) {
                    continue;
                }
                int agree = 0;
                int against = 0;
                for (int j = 0; j < n; j++) {
                    if (unables[mask][j]) {
                        continue;
                    }
                    if (votes[j][i]) {
                        agree++;
                    } else {
                        against++;
                    }
                }
                if (agree >= against) {
                    dp[mask] += dfw(mask ^ (1 << i));
                }
            }
        }
        return dp[mask];
    }
}


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 String next() throws Exception {
        if (!st.hasMoreTokens()) {
            st = new StringTokenizer(br.readLine());
        }
        return st.nextToken();
    }
}