class Exam{
public static void main(String[] args){
 int number;
 number=Integer.parseInt(args[0]);
 System.out.print(\"The factorial of \" + number + \" is \" + factorial(number));
 }
public static long factorial(int number){
 long factorial = 1;
 
 for(int i=number;i>0;i--){
 factorial*=i;

 }
 return factorial;
}
}





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