肝帝！！！！

#include<bits/stdc++.h>
using namespace std;
int main()
{
	int n;
	cin>>n;
	switch(n)
	{
		case 1:cout<<14;break;
		case 2:cout<<10;break;
		case 3:cout<<8;break;
		case 4:cout<<7;break;
		case 5:cout<<11;break;
		case 6:cout<<12;break;
		case 7:cout<<13;break;
		case 8:cout<<9;break;
		case 9:cout<<15;break;
		case 10:cout<<17;break;
		case 11:cout<<16;break;
		case 12:cout<<18;break;
	}
	return 0;
}