Answer Posted / abhijit

using System;
using System.Collections.Generic;
using System.Text;

namespace Practice
{
class Program
{
public static int fact(int r)
{
if (r == 0 || r == 1)
return 1;
else
return (r * fact(r - 1));
}
static void Main(string[] args)
{
args = new string[1];
args[0] = Console.ReadLine();

int n, tmp, rem, sum = 0;

int ii = fact(5);
n = Convert.ToInt32(args[0]);
tmp = n;
int jj=0;
while (n != 0)
{
rem = n % 10;

jj=fact(rem);
sum = sum + jj;
n = n / 10;
}

if (tmp == sum)
Console.WriteLine(tmp + "is a strong number");
else
Console.WriteLine(tmp + " is not a strong number");
Console.ReadLine();
}


}
}

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