C# Online Compiler | .NET Fiddle

<no name> by Anonymous

using System;
					
public class Program
{
	public static void Main()
	{
		Console.WriteLine("Enter number 1 ");
		int a = int.Parse(Console.ReadLine());
		
		Console.WriteLine("Enter number 2 "); 
		
		int b = int.Parse(Console.ReadLine());
		 
		Console.WriteLine("{0} + {1} = ?" , a , b );
		int c = a + b ; 
		                        
		int S = int.Parse(Console.ReadLine()); 
		if (S ==c)
		{
		Console.WriteLine("you are correct"); 	
			
		}
		else
		{
			Console.WriteLine("you are wrong try again");
			
		}
	}
}

 
using System;
                    
public class Program
{
    public static void Main()
    {
        Console.WriteLine("Enter number 1 ");
        int a = int.Parse(Console.ReadLine());
        
        Console.WriteLine("Enter number 2 "); 
        
        int b = int.Parse(Console.ReadLine());
         
        Console.WriteLine("{0} + {1} = ?" , a , b );
        int c = a + b ; 
                                
        int S = int.Parse(Console.ReadLine()); 
        if (S ==c)
        {
        Console.WriteLine("you are correct");   
            
        }
        else
        {
            Console.WriteLine("you are wrong try again");
            
        }
    }
}

Unhandled exception. System.TypeInitializationException: The type initializer for 'System.Data.Entity.DbContext' threw an exception.
---> System.TypeInitializationException: The type initializer for 'Z.EntityFramework.Classic.EntityFrameworkManager' threw an exception.
---> System.TypeInitializationException: The type initializer for '' threw an exception.
---> System.IO.FileNotFoundException: Could not load file or assembly 'System.Configuration.ConfigurationManager, Version=8.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51'. The system cannot find the file specified.

File name: 'System.Configuration.ConfigurationManager, Version=8.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51'
   at Z.Expressions.CompilerManager..cctor()
   at Z.Expressions.CompilerManager.LoadEntityFrameworkClassicConfiguration()
   at Z.Expressions.ExceptionMessage.ThrowLicenseException()
   at ..cctor()
   --- End of inner exception stack trace ---
   at .()
   at Z.EntityFramework.Classic.EntityFrameworkManager..cctor()
   --- End of inner exception stack trace ---
   at Z.EntityFramework.Classic.EntityFrameworkManager.Initialize()
   at System.Data.Entity.DbContext..cctor()
   --- End of inner exception stack trace ---
   at System.Data.Entity.DbContext..ctor(String nameOrConnectionString)
   at Program.EntityContext..ctor()
   at Program.GenerateData()
   at Program.Main()
Command terminated by signal 6

Last Run:	11:38:10 am
Compile:	0.026s
Execute:	0.17s
Memory:	12.15Mb
CPU:	0.196s

View IL Code