using System;
namespace CSharp_Shell
{
public static class Program
public static void Main()
for(var i=0;i<=20;i++){
Console.WriteLine($"{Math.Pow(2,i)}");
}
using System;
namespace CSharp_Shell
{
public static class Program
{
public static void Main()
{
for(var i=0;i<=20;i++){
Console.WriteLine($"{Math.Pow(2,i)}");
}
}
}
}