Help me in solving START01 problem

My issue

The only line of input contains a single integer.

Output Format
Output the answer in a single line.

Constraints
0



1
0
5
0≤N≤10
5

Sample 1:
Input
Output
123
123

My code

using System;

public class Test
{
	public static void Main()
	{
	int num = 123;
	console.writeline(num);
	console.readline();
	console.writeline("123" + name);
	console.readline();// your code goes here
	}
}

Learning course: Practice C#
Problem Link: CodeChef: Practical coding for everyone

@danishbukhari7
Plzz refer the following C# solution for better understanding of the implementation.

using System;

public class Test
{
	public static void Main()
	{
		int N = int.Parse(Console.ReadLine());
		Console.WriteLine(N);
	}
}