class Fact{

void fact (int x)
{
if(n==0 || n==1)
return 1;
else 
return x*fact(n-1);
}
}

class Example11
{
public static void main(string[] args)
{
Fact obj=new Fact();
int result;
result=obj.fact(5);
System.out.print("the factorial ="+result);
}
}