cant get the code to compile, help!

Question

using System;

namespace HelloWorld
{
 class Program
 {
 static void Main(string[] args)
 {
 int i = 15;
 const string string1 = "Foo";
 const string string2 = "Bar";
if(i > 10)
 {
 string result = string1;
 }
 else
 {
 string result = string2;
 }

 Console.WriteLine(result);
 }
 }
}