Overloading Method(.net)

        Using System:
Class Program 
     Public void Add()
     {
       int a=20;
       int b=30;
       int c=a+b;
       console.writeline(c).
     }
     public void Add(inta, intb)
     {
       int c=a+b;
       console.writeline(c);
     }
     public void Add(string a, string b)
     {
       string c=a+" "+ b;
       console.writeline(c).
     }
     static void main(string[]args)
     {
       Program P = new program
       P.Add();
       P.Add(10,5);
       P.Add("the","social","comment");
       console.Readkey();
      }