#include<stdio.h>
void main()
{
printf("ENTER A NUMBER WHOSE FACTOTIAL TO BE FIND");
int n;
scanf(%d,&n);
  int i;
int fact=1;
  for(i=1;i<=n;i++ )
  {
   fact=fact*i;
    i++;  
  }
  printf("FACTORIAL IS =%d",fact);
}