es krim

#include<iostream>
#include<iomanip>
#include<stdlib.h>
#include<string>
using namespace std;
int main(){
	char ulang;
	string es, nama;
	int total, harga, pilih, jumlah, hasil, diskon, uang, kembalian;
	mulai:
	cout<<"	CM ICECREAM"<<endl;
	cout<<"======================="<<endl<<endl;
	cout<<"input nama pembeli:";cin>>nama;cout<<endl;
	cout<<"pilihan eskrim yang tersedia:"<<endl;
	cout<<"1.chocolate strawberry"<<endl;
	cout<<"2.chocolate vanila"<<endl;
	cout<<"3.chocolate capucino"<<endl;
	cout<<"es krim yang dipilih:";cin>>pilih;
	switch(pilih){
		case 1:
			harga=15000;
			es="chocolate strawberry";
			break;
		case 2:
			harga=20000;
			es="chocolate vanila";
			break;
		case 3:
			harga=25000;
			es="chocolate capucino";
			break;
	}
	cout<<"jumlah beli:";cin>>jumlah;
	cout<<"uang pembeli:";cin>>uang;
	total=jumlah*harga;
	if(total>50000){
		diskon=total*0.10;
	} else if(total>40000 && total<50000){
		diskon=total*0.5;
	}
	hasil = total - diskon;
	kembalian= uang - hasil;
	system("cls");
	cout<<"		Struk pembayaran"<<endl;
	cout<<"========================"<<endl;
	cout<<"Nama pembeli:"<<nama<<endl;
	cout<<"Nama eskrim:"<<es<<endl;
	cout<<"Harga:"<<harga<<endl;
	cout<<"Jumlah:"<<jumlah<<endl;
	cout<<"Total:"<<total<<endl;
	cout<<"Potongan:"<<diskon<<endl;
	cout<<"======================="<<endl;
	cout<<"Total keseluruhan:"<<hasil<<endl;
	cout<<"Uang bayar:"<<uang<<endl;
	cout<<"Uang kembalian:"<<kembalian<<endl;
	cout<<"mau input lagi (Y/N)?";cin>>ulang;
	if(ulang=='Y' || ulang=='y'){
		system("cls");
		goto mulai;
	}
}