#include <iostream>
 
#include <vector>
 
#include <string>
#include <utility>
 
#define mp make_pair
 
using namespace std;
 
inline float h(float xi, pair<float, float>& theta)
{ return theta.first+theta.second*xi; }
 
int main()
{
	cout<<"Hello World!!"<<endl;
 
	int m=0;
	cin>>m;
 
	vector<string> compounds(m, "");
	vector<int> x_count_carbon(m, 0);
	vector<float> y_energy(m, 0);
 
	int i=0;
	for(i=0; i<m; ++i)
		cin>>compounds[i]>>x_count_carbon[i]>>y_energy[i];
 
	// Debug
	for(i=0; i<m; ++i)
		cout<<compounds[i]<<" "<<x_count_carbon[i]<<" "<<y_energy[i]<<endl;
 
	return 0;
}

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12
methane 1 -890
ethene 2 -1411
ethane 2 -1560
propane 3 -2220
cyclopropane 3 -2091
butane 4 -2878
pentane 5 -3537
benzene 6 -3268
cyclohexane 6 -3920
hexane 6 -4163
octane 8 -5471
nepthalene 10 -5157