C # Combat--three numbers to find maximum (4 methods)

usingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingSystem.Text;/** Compile a program * Enter three numbers from the keyboard * use the ternary operator (?:) to find out the maximum number. */namespacepi{classProgram {Static voidMain (string[] args)            {Int32 var_a, var_b, Var_c,max; Var_a=int.            Parse (Console.ReadLine ()); Var_b=int.            Parse (Console.ReadLine ()); Var_c=int.           Parse (Console.ReadLine ()); //-----------------1----------------------//if (var_a>var_b)//{            //max=var_a; //}            //else if (var_c>var_b)//    {            //Max=var_c; //    }            //else Max=var_b; //-----------------2--------------------//max = var_a; //if (Var_b > Max)//max = Var_b; //else if (Var_c > Max)//max = Var_c; //-------------3--------------//max = var_a > Var_b var_a:var_b; //max = max > Var_c max:var_c; //----------------4-----------------Max=var_a>var_b?var_a>var_c?var_a:var_c:var_b>var_c?Var_b:var_c; //------------5--------------------------Console.WriteLine ("First Number: {0}\n second number: {1}\n third number: {2}\n maximum: {3}\n", Var_a,var_b,var_c,max);        Console.readkey (); }    }}

C # Combat--three numbers to find maximum (4 methods)