package net.ipipip0129.yukicoder.no617;

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		String line = scan.nextLine();
		int count = Integer.parseInt(line.split(" ")[0]);
		int maxweight = Integer.parseInt(line.split(" ")[1]);
		
		List<Integer> stocks = new ArrayList<Integer>();
		
		for (int i = 0; i < count; i++) {
			stocks.add(Integer.parseInt(scan.nextLine()));
		}
		
		scan.close();
		
		int cw = 0;
		
		for (int i = stocks.size() - 1; 0 <= i; i--) {
			if (cw + stocks.get(i) <= maxweight) {
				cw += stocks.get(i);
			}
		}
		
		System.out.println(cw);
	}
}