#include <iostream>
#include <stdio.h>
using namespace std;

int main() {
	float pemakaian, air, total;
				cout<<"\t------------------------------------------------\n"<<endl;
				cout<<"\t----------Pembayaran Pemakaian Air PDAM----------\n"<<endl;
				cout<<"\t------------------------------------------------\n"<<endl;
				cout<<"\Masukan Tarif PDAM n3 =";
				cin>>air;

	if((air>0)&&(air<=10))
	{pemakaian=air*2000;}
	if((air>=11)&&(air<=20))
	{pemakaian=air*3000;}
	if((air>=21)&&(air<=30))
	{pemakaian=air*4000;}
	if((air>=31))
	{pemakaian=air*5000;}
	total = pemakaian + 10000;


	cout<<"\t---------------------------------------\n"<<endl;
	cout<<"\nBiaaya Administrasi		: 10000"<<endl;
	cout<<"\t----------------------------------------\n"<<endl;
	cout<<"Total Biaya					: "<<total<<endl;

return 0;
}