import java.io.BufferedReader;
import java.io.InputStreamReader;

public class Main {
	public static void main(String[] args) throws Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String[] sa = br.readLine().split(" ");
		int n = Integer.parseInt(sa[0]);
		int d = Integer.parseInt(sa[1]);
		br.readLine();
		sa = br.readLine().split(" ");
		long sum = 0;
		for (int i = 0; i < n; i++) {
			sum += Integer.parseInt(sa[i]);
		}
		br.close();

		System.out.println((d + sum - 1) / sum);
	}
}