using System;
public class Program
{
public static void Main()
{
//Máquina de Café
//Variáveis- Coffee Size
int CoffeeSize;
do{
Console.WriteLine("Welcome to C# Coffee Machine");
Console.WriteLine("Please select one of the options:");
Console.WriteLine("1=Small cofee");
Console.WriteLine("2=medium cofee");
Console.WriteLine("3=large cofee");
CoffeeSize=int.Parse(Console.ReadLine());
}while(CoffeeSize<0||CoffeeSize>3);
// Coffee cost
if(CoffeeSize==1){
Console.WriteLine("Please insert 25 cents");
}else {
}
if(CoffeeSize==2){
Console.WriteLine("Please insert 50 cents");
}else {
}
if(CoffeeSize==3){
Console.WriteLine("Please insert 60 cents");
}else {
}
//despedir
int coffeecost;
do{
coffeecost=int.Parse(Console.ReadLine());
if ((CoffeeSize == 1 && coffeecost==25)||(CoffeeSize == 2 && coffeecost==50)||(CoffeeSize == 3 && coffeecost==60)){
Console.WriteLine("Thank you! See you next time.");
}else {
Console.WriteLine("Please insert the exact value of cost");
}
}while(!((CoffeeSize == 1 && coffeecost==25)||(CoffeeSize == 2 && coffeecost==50)||(CoffeeSize == 3 && coffeecost==60)));
}
}
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