#include

using namespace std;

const int MAXN = 10 + 5; int a[MAXN]; int n = 10; int h; int ans = 0;

int main(){ for (int i=1;i<=n;i++) cin >> a[i]; cin >> h;

h+= 30;
for (int i=1;i<=n;i++)	
	if (h>=a[i])
		ans++;
cout << ans;

}