#include <stdio.h>
#include <atcoder/all>
#include <bits/stdc++.h>
using namespace std;
using namespace atcoder;
using mint = modint998244353;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf 1000000000


int main(){
	
	int N,M;
	cin>>N>>M;
	
	vector<int> X(N);
	rep(i,N){
		X[i] = 0;
		rep(j,M){
			int t;
			cin>>t;
			X[i] |= (1<<j)*t;
		}
	}
	
	vector<long long> dp(1<<M,0);
	dp[0] = 1;
	
	rep(i,M){
		rep(j,1<<M){
			int c = 0;
			rep(k,M){
				if((j>>k)&1)c++;
			}
			if(c!=i)continue;
			vector<int> ok(M,0);
			rep(k,N){
				if((X[k]&j)!=j)continue;
				rep(l,M){
					if((X[k]>>l)&1)ok[l]++;
					else ok[l]--;
				}
			}
			rep(k,M){
				if((j>>k)&1)continue;
				if(ok[k]<0)continue;
				dp[j|(1<<k)] += dp[j];
			}
		}
	}
	
	cout<<dp.back()<<endl;
	
    return 0;
}