#include <bits/stdc++.h>
using namespace std;
int main() {
	int time,type,clock=600,fare=0;
	cout<<"Enter Time: 30 for 30 minutes, 60 for 60 minutes."<<endl;
	cin>>time;
	while (true){
		if(time!=30&&time!=60){
		cout<<"wrong time! try again"<<endl;
		cin>>time;
	}
	else break;
	}
		cout<<"Plane Type: 1 for 2 seater, 2 for 4 seater, 3 for historic plane."<<endl;
	cout<<"Enter Plane type"<<endl;
	cin>>type;
	while (true){
		if (type!=1&&type!=2&&type!=3){
			cout<<"Error: invalid plane type!"<<endl;
			cin>>type;
		}
		else break;
	}

	if (time==30){
		while(clock>=30){
		if (type==3){
				fare+=300;
				clock-=60;
			}
		else if (type==1){
			fare+=100;
			clock-=60;
		}
		else if (type==2){
			fare+=120;
			clock-=60;
		}
	}
}
	else if (time==60){
		while(clock>=60){
		if (type==3){
				fare+=500;
				clock-=90;
			}
		else if (type==1){
			fare+=150;
			clock-=90;
		}
		else if (type==2){
			fare+=200;
			clock-=90;
		}
	}
	}
	cout<<"Max. Fare: $"<<fare;
}