#include using namespace std; #define int long long #define MOD 1000000007 int f(int n){ if(n == 0) return 1; return n * f(n-1) % MOD; } int b(int n){ int ans = 0; while(n){ ans += n & 1; n >>= 1; } return ans; } signed main(){ int n, k; cin >> n >> k; int a[100]; for(int i = 0;i < k;i++){ cin >> a[i]; } sort(a, a+k); int old = 0; vector vec; vec.push_back(0); for(int i = 0;i < k;i++){ vec.push_back(b(a[i])); if((~a[i]) & old){ cout << 0 << endl; return 0; } old = a[i]; } vec.push_back(n); int ans = 1; for(int i = 1;i < vec.size();i++){ cout << vec[i] << endl; ans = (ans * f(vec[i]-vec[i-1])) % MOD; } cout << ans << endl; return 0; }