/*
   ACM North Central Region, 1993-94
   Problem C, Extrapolation Using a Difference Table

   Ed Karrels, April 1996
*/

#include <stdio.h>

int main() {
   int n, i, j, k;
   short a[10];     /* They apparently wrote and tested the solution
		       for this problem on a 16-bit machine.  The given
		       solution for the fourth sample is incorrect.
		       The correct answer is -319268, but with 16 bit
		       ints, it comes out 8412. */

   scanf("%d", &n);
   while (n) {
      for (i=0; i<n; i++)
	 scanf("%hd", a+i);
      scanf("%d", &k);
      for (j=n-1; j>0; j--)
	 for (i=0; i<j; i++)
	    a[i] = a[i+1] - a[i];
      for (i=0; i<k; i++)
	 for (j=1; j<n; j++)
	    a[j] += a[j-1];
      printf("Term %d of the sequence is %hd\n", n+k, a[n-1]);
      scanf("%d", &n);
   }
   return 0;
}