using System;

public class Program

{

    public static void Main()

    {

        double n,a,am,vp;  

        Console.WriteLine("Ingrese el valor a pagar de niños");

        n=double.Parse(Console.ReadLine());

        Console.WriteLine("Ingrese el valor a pagar de adultos");

        a=double.Parse(Console.ReadLine());

        Console.WriteLine("Ingrese el valor a pagar de adultos mayor");

            am=double.Parse(Console.ReadLine());

            Console.WriteLine("el valor a pagar" +"vp 30 ,150 , 10");

            }

        public static double vp (double n){

            return n*3;

            }

        public static double p (double a){

            return a*5;

            }

    public static double am (double am){

            return am*2;

        }

}

​