#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
using namespace std;
using std::cout;
using std::cin;
using std::endl;
using ll=long long;
using ld=long double;
ll I=1167167167167167167;
ll Q=1e9+7;
#define rep(i,a) for (ll i=0;i<a;i++)
template<class T> using _pq = priority_queue<T, vector<T>, greater<T>>;
template<class T> ll LB(vector<T> &v,T a){return lower_bound(v.begin(),v.end(),a)-v.begin();}
template<class T> ll UB(vector<T> &v,T a){return upper_bound(v.begin(),v.end(),a)-v.begin();}
template<class T> bool chmin(T &a,const T &b){if(a>b){a=b;return 1;}else return 0;}
template<class T> bool chmax(T &a,const T &b){if(a<b){a=b;return 1;}else return 0;}
template<class T> void So(vector<T> &v) {sort(v.begin(),v.end());}
template<class T> void Sore(vector<T> &v) {sort(v.begin(),v.end(),[](T x,T y){return x>y;});}
template<class T> void print_tate(vector<T> &v) {rep(i,v.size()) cout<<v[i]<<"\n";}
void yneos(bool a){if(a) cout<<"Yes"<<"\n"; else cout<<"No"<<"\n";}



//おちこんだりもしたけれど、私はげんきです。
int main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	
	int N,M;
	cin>>N>>M;
	vector<vector<bitset<60>>> bit((1<<M),vector<bitset<60>>(84,0));
	rep(i,N) bit[0][i/60]|=(1ll<<(i%60));
	rep(i,N){
		rep(j,M){
			int a;
			cin>>a;
			if(a) bit[1<<j][i/60]|=((1ll<<(i%60)));
		}
	}
	vector<int> p((1<<M),0);
	rep(i,(1<<M)){
		if(i==0){
			p[i]=N;
			continue;
		}
		rep(j,M){
			if(i&(1<<j)){
				int a=(1<<j);
				int b=(i^(1<<j));
				rep(k,84){
					bit[i][k]=(bit[a][k]&bit[b][k]);
					p[i]+=(int)(bit[i][k].count());
				}
				break;
			}
		}
		//cout<<p[i]<<endl;
	}
	vector<ll> dp(1<<M,0);
	dp[0]=1;
	rep(i,(1<<M)){
		rep(j,M){
			if(!(i&(1<<j))){
				if(p[i]<=2*p[(i|(1<<j))]){
					dp[i|(1<<j)]+=dp[i];
				}
			}
		}
	}
	cout<<dp[((1<<M)-1)]<<"\n";
	return 0;
}