THE NUMBER IS SPECIAL NUMBER OR NOT in java

 THE NUMBER IS SPECIAL NUMBER OR NOT

 class special

{

public static long fact(int x)

{

long     i,f=1;

for (i=1;i<=x;i++)

{

f=f*i;

    }

 return f;

}

public static void main(int a)

{

special obj = new special();

long r=0,n=a,s=0;

while(a>0)

{

int k=a%10;

r=obj.fact(k);

s=s+r;

a=a/10;

    }

    if (s==n)

        System.out.println("The entered number is special");

        else

        System.out.println("The entered number is not special");

    }

}