C++ :

#include<iostream>
using namespace std;
int main(){
	int a[13]={0,14,10,8,7,11,12,13,9,15,17,16,18};
	int i;
	cin>>i;
	cout<<a[i];
} 

Python :

# coding=utf-8
a=[14,10,8,7,11,12,13,9,15,17,16,18]
x=input()
print(a[int(x)-1])