#include<iostream>
#include<conio.h>
using namespace std;
int main()
{
int i,p,n;
cout<<endl<<endl;
cout<<"*****************************************************************************";
cout<<endl<<endl;
cout<<"ENTER NUMBER:";
cin>>n;
for(p=1,i=n;i>0;i--)
{
p=p*i;


}
cout<<p;
cout<<"\n*****************************************************************************";
getch();
return 0;





}

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