#include <iostream>
using namespace std;
const int mod = 1e9+7 ;
long long power(int base, int n)
{
if(n==0) return 1;
if(n==1) return base ;
long long x = (power(base, n/2));
if(n&1) return (x*x*base);
return (x*x);
}
int main() {
// your code goes here
int n;
cin>>n;
cout<<power(2, 2)<<endl;
return 0;
}
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