#include<stdio.h>
int flip(int num,int k);
int reverseN(int num);
int main()
{
  int number = 43625,k=4;
  //printf("Reverse");
  printf("Flip of %d by %d :%d\n",number,k,flip(number,k));
  printf("Dual flip of %d : %d\n",number,flip(flip(number,k-1),k-1) );
  return 0;
}
int flip(int num,int k)
{
  int div = 1,i=0;
  for(i=0;i<k;i++)
  {
    div = div * 10;
  }
  int firstPart = num / div;
  int lastPart = num % div;
 
  return firstPart*div + reverseN(lastPart);
}
int reverseN(int num)
{
  int n = num,sum = 0,div = 10;
  while(n>0)
  {
    sum = sum * div + (n%10);
    n = n/10;
    //div = div*10;
  }
  return sum;
}