import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.UncheckedIOException; import java.lang.reflect.Array; import java.util.ArrayDeque; import java.util.Arrays; import java.util.Deque; import java.util.Objects; import java.util.regex.Pattern; import java.util.stream.Collectors; public class Main { public void exec() { int n = stdin.nextInt(); int d = stdin.nextInt(); Deque ans = new ArrayDeque<>(); ans.addLast(0); int diff = 0; for (int i = 0; i < n - 1; i++) { int a = stdin.nextInt(); int b = ans.peekLast(); if (b <= a && b + d <= a) { ans.addLast(a+diff); } else { ans.addLast(b+d); diff += b + d - a; } } stdout.println(ans.stream().map(Objects::toString).collect(Collectors.joining(" "))); } private static final Stdin stdin = new Stdin(); private static final Stdout stdout = new Stdout(); public static void main(String[] args) { new Main().exec(); stdout.flush(); } public static class Stdin { private BufferedReader stdin; private Deque tokens; private Pattern delim; public Stdin() { stdin = new BufferedReader(new InputStreamReader(System.in)); tokens = new ArrayDeque<>(); delim = Pattern.compile(" "); } public String nextString() { try { if (tokens.isEmpty()) { String line = stdin.readLine(); delim.splitAsStream(line).forEach(tokens::addLast); } return tokens.pollFirst(); } catch (IOException e) { throw new UncheckedIOException(e); } } public int nextInt() { return Integer.parseInt(nextString()); } public double nextDouble() { return Double.parseDouble(nextString()); } public long nextLong() { return Long.parseLong(nextString()); } } public static class Stdout { private PrintWriter stdout; public Stdout() { stdout = new PrintWriter(System.out, false); } public void printf(String format, Object ... args) { stdout.printf(format, args); } public void println(Object ... objs) { String line = Arrays.stream(objs).map(this::deepToString).collect(Collectors.joining(" ")); stdout.println(line); } private String deepToString(Object o) { if (o == null || !o.getClass().isArray()) { return Objects.toString(o); } int len = Array.getLength(o); String[] tokens = new String[len]; for (int i = 0; i < len; i++) { tokens[i] = deepToString(Array.get(o, i)); } return "{" + String.join(",", tokens) + "}"; } public void flush() { stdout.flush(); } } }