using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Runtime.InteropServices;
using System.Security.Policy;
using System.Text;
using System.Threading.Tasks;
namespace LearnDotnet
{
internal class Program
{
static void Main(string[] args)
{
int num = 0;
for(int i = 0; i < 11; i++)
{
if(i == 0)
{
}
else
{
Console.WriteLine(i);
num = num + i;
}
}
Console.WriteLine("---------------------------");
Console.WriteLine("sum : {0}",num);
}
}
}