#include<bits/stdc++.h>
using namespace std;

int main(){
	cin.tie(0),ios::sync_with_stdio(false);
	vector<bool>v(1e6+1,true);
	for(int i=2;i*i<=1e6;++i){
		if(!v.at(i))continue;
		for(int j=i*i;j<=1e6;j+=i){
			v.at(j)=false;
		}
	}
	vector<int64_t>p(1,1);
	int i=1e5+1;
	while(p.size()<6){
		if(v.at(i))p.emplace_back(i);
		++i;
	}
	int n; cin>>n; --n;
	vector<int>f={0,1,1,2,1,2,3,1,2,3},s={0,2,3,3,4,4,4,5,5,5};
	cout<<p.at(f.at(n))*p.at(s.at(n))<<"\n"s;
}