#include<bits/stdc++.h>
#define maxn 10000
#define oo 1000000007
#define ll long long
#define ld long double
#define FOR(i,a,b) for(int i=(a), ii=(b); i<=ii; i++)
#define FORD(i,b,a) for(int i=(b), ii=(a); i>=ii; i--)
class DON_HANG{
private:
	char* TENHANG;
	ll DONGIA;
	ll SOLUONG;
	ll THANHTIEN;
public:
	DON_HANG(){
		DONGIA=0;
		SOLUONG=0;
		THANHTIEN=0;
	}
	DON_HANG(char* tenhang, ll dongia=0, ll soluong=0){
		setTENHANG(tenhang);
		setDONGIA(dongia);
		setSOLUONG(soluong);
	}
	void setTENHANG(char* tenhang){
		ll len = strlen(tenhang);
		TENHANG = new char[len];
		TENHANG = strcpy(TENHANG, tenhang);
	}
	void setSOLUONG(ll soluong){
		SOLUONG = soluong;
		setTHANHTIEN();
	}
	void setDONGIA(ll dongia){
		DONGIA = dongia;
		setTHANHTIEN();
	}
	void setTHANHTIEN(){
		THANHTIEN = DONGIA * SOLUONG;
	}
	char* getTENHANG(){
		return TENHANG;
	}
	ll getDONGIA(){
		return DONGIA;
	}
	ll getSOLUONG(){
		return SOLUONG;
	}
	ll getTHANHTIEN(){
		return THANHTIEN;
	}
};

int main(){
	DON_HANG* DH= new DON_HANG[50];
}