#include <iostream.h>
#include <conio.h>
#include <math.h>

//------------sourcea.ir----------------------------------//
int pow(int a, int b);
int fact(int a);
double sin(int(*p)(int a,int b),int(*q)(int b),int x);
void main(){
  int x;
  clrscr();
  cout<<"Please Enter Number : ";
  cin>>x;
  cout<<fact(x)<<endl<<pow(x,x);
  //cout<<sin(pow,fact,x);
  getch();
  }
  int pow(int a,int b){
    int pow=1;
     for (int i=1;i<=b;i++)
      pow*=a;
      return pow;
}
int fact(int a){
  int fact=1;
  for(int i=1;i<=a;i++)
  fact*=i;
  return fact;
}
double sin(int(*p)(int a,int b),int(*q)(int b),int x){
double sum=0;
int b=1;
 for(int i=1;i<=15;i+=2){
 sum+=(pow)(x,i)/(fact)(i)*b;
 b=-b;
}
return sum;}