#include<bits/stdc++.h>
using namespace std;
const int N=1e3+5,mod=1e9+7;
int n;
int b[N];
long long ksm(long long a,long long b){
	if(!b) return 1ll;
	long long c=ksm(a,b>>1);
	c=c*c%mod;
	if(b&1) c=c*a%mod;
	return c;
}
int main(){
	freopen("01.in","r",stdin);
	freopen("01.out","w",stdout);
	ios::sync_with_stdio(0);
	cin.tie(0);cout.tie(0);
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>b[i];
	}
	cout<<ksm(2,n*n)<<"\n";
	return 0;
	
}