using System;

​

public class Program

{

    public static void Main()

    {

        string val = "786";

        Console.WriteLine(Int32.Parse(val)); // Return 786 

        // Ex 1 : Remove 3 lines below to execute Ex 2

        //FormatException -> 'Input string was not in a correct format.'

        string val1 = "786.78";

        Console.WriteLine(Int32.Parse(val1));

        // Ex 2 : Remove 3 lines below to execute Ex 3

        //ArgumentNullException -> 'Value cannot be null.'

        string val2 = null;

        Console.WriteLine(Int32.Parse(val2));

​

        // Ex 3

        //OverflowException -> 'Value was either too large or too small for an Int32.’.

        string val3 = "786786786786";

        Console.WriteLine(Int32.Parse(val3));

​

​

​

    }

}