#include <iostream>
using namespace std;
 
int main() {
 
	// INPUT: 姓名, 身高, 體重
	string name;
	cin >> name; // take input and store to name
	cout << "Hello, " << name << "." << endl;
 
	double height;
	cin >> height;
	height = height / 100;
 
	double weight;
	cin >> weight;
 
	// ALGORITHM
	double bmi = weight / height / height;
 
	// OUTPUT
	cout << name << " (" << bmi << ")" << endl;
	if (bmi < 18.5) {
		cout << "體重過輕" << endl;
	} else if (bmi >= 24) {
		cout << "體重過重" << endl;
	} else {
		cout << "體重適中" << endl;
	}
 
 
	return 0;
}

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Arthur 173 75