package neerc;

import java.util.*;

import java.io.*;

public class Neerc {

private static ArrayList<Integer> team = new ArrayList<>();

private static ArrayList<Integer> startData = new ArrayList<>();

private static void getData() throws IOException{

FileReader file = new FileReader("input.txt");

Scanner sc = new Scanner(file);

int numberLine = 0;

while (sc.hasNextLine()){

numberLine++;

String str = sc.nextLine();

StringTokenizer st = new StringTokenizer(str, " ");

while (st.hasMoreTokens()){

if(numberLine == 2){

team.add(Integer.valueOf(st.nextToken())); // Количество участников от каждого института

}else{

startData.add(Integer.valueOf(st.nextToken()));

}

}

}

}

public static void main(String[] argv) throws IOException {

getData();

int roomCount = startData.get(1);

int contestant = 0;

for (Integer aTeam : team) {

if (roomCount >= aTeam) {

contestant += aTeam;

} else {

contestant += roomCount;

}

}

PrintWriter pw = new PrintWriter(new File("output.txt"));

pw.print(String.valueOf(contestant));

pw.close();

}

}