using System;

public class Program

{

    public static int Discounts(int age,int nums,bool city)

    {

        int num=0;

        if(age>=70)

        {num=100;}

        else

        {num=200;}

        if(nums>=3)

        {num+=10;}

        else

        {num+=20;}

        if(city)

        {num+=1;}

        else

        {num+=2;}

        return num;

    }

    public static void Main()

    {

        Console.WriteLine("Hello World");

    }

}