using System;
namespace P5_12
{
    class Program
    {
        static void Main()
        {
            int i=10, j=20,sum_I;
            double x=30.3, y=40.4,sum_D;
      sum_I = total(i,j);
            sum_D = total(x, y);
            Console.WriteLine(sum_I);
            Console.WriteLine(sum_D); 
            Console.ReadLine();
        }
        static int total(int pi, int pj)
        {
            return pi + pj;
        }
   static double total(double px, double py)
        {
            return px + py;
        }
    }
}

