using System;
class rohit
{
    public void acc(int a,int b,int c,int d)
    {
        int sum = a + b + c + d;
        Console.WriteLine("Sum is: " + sum);
 
    }

    public static void Main()
    {
        rohit oo = new rohit();
        oo.acc(10, 20, 30, 40);
        Console.ReadLine();
    }
       
    
}