#include <cstdio>
#include <cstring>
#define N (int)(1e6 + 5)

int a[N], f[N], n, ans = 0, k;

int main()
{
	scanf("%d", &n);
	
	for (int i = 1; i <= n; i++)
		scanf("%d", a + i);
		
	scanf("%d", &k);
		
	for (int i = 1; i < n; i++)
		for (int j = i + 1; j <= n; j++)
		{
			memcpy(f, a, sizeof a);
			
			for (int l = i; l < j; l++)
				f[l + 1] = f[l] / f[l + 1];
				
			if (f[j] == k) ans++;
		}
		
	printf("%d", ans);
	
	return 0;
}