#include<iostream>
#include<string>
using namespace std;
string solve(int &z,int &f,int n){
	z=0;
	z=(n*7)/2;
	f=5*(n&1);
	return "I hate math.";
}
int main(){
	int z,f;
	int n;
	cin>>n;
	solve(z,f,n);
	cout<<z<<"."<<f<<endl;
	return 0;
}