BeforeAnExam.java

import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.InputMismatchException;
import java.io.OutputStreamWriter;
import java.io.OutputStream;
import java.io.Writer;
import java.util.Arrays;

class BeforeAnExam {
    static class Code {

        private void solve(InputReader in, OutputWriter out) {
            int d = in.readInt();
            int total = in.readInt();

            int[] min = new int[d];
            int[] max = new int[d];

            int l = 0, r = 0;

            for(int i = 0; i < d; ++i) {
                min[i] = in.readInt();
                l += min[i];
                max[i] = in.readInt();
                r += max[i];
            }

            /*l = sum of minimum number of hours
            * r = sum of maximum number of hours
            * total = total hours required*/
            if(l <= total && r >= total) {
                out.printLine("YES");
                int i = 0;
                for(; i < d; ++i) {
                    if(l + (max[i] - min[i]) <= total) {
                        l += (max[i] - min[i]);
                        out.print(max[i] +" ");
                    }
                    else {
                        break;
                    }
                }

                if(i < d) {
                    /*The l already contains the term min[i]
                    * So subtracting from total we take away the min[i] form l
                    * But we also have to do minimum amount of work on ith day
                    * so to compensate the loss, we add min[i]*/
                    out.print(total - l + min[i] +" ");
                    i++;
                }

                for (; i < d; ++i) {
                    out.print(min[i] +" ");
                }

            }
            else {
                out.printLine( "NO");
            }


        }
    }

    public static void main(String[] args) throws IOException {
        //initialize
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        InputReader in = new InputReader(inputStream);
        OutputWriter out = new OutputWriter(outputStream);
        Code solver = new Code();
        solver.solve(in, out);
        out.flush();
        out.close();
    }


    static class InputReader {
        private InputStream stream;
        private byte[] buf = new byte[1024];
        private int curChar;
        private int numChars;
        private SpaceCharFilter filter;

        private InputReader(InputStream stream) {
            this.stream = stream;
        }

        private int read() {
            if (numChars == -1)
                throw new InputMismatchException();
            if (curChar >= numChars) {
                curChar = 0;
                try {
                    numChars = stream.read(buf);
                } catch (IOException e) {
                    throw new InputMismatchException();
                }
                if (numChars <= 0)
                    return -1;
            }
            return buf[curChar++];
        }

        private String readString() {
            int c = read();
            while (isSpaceChar(c))
                c = read();
            StringBuilder res = new StringBuilder();
            do {
                if (Character.isValidCodePoint(c))
                    res.appendCodePoint(c);
                c = read();
            } while (!isSpaceChar(c));
            return res.toString();
        }

        private int readInt() {
            int c = read();
            while (isSpaceChar(c))
                c = read();
            int sgn = 1;
            if (c == '-') {
                sgn = -1;
                c = read();
            }
            int res = 0;
            do {
                if (c < '0' || c > '9')
                    throw new InputMismatchException();
                res *= 10;
                res += c - '0';
                c = read();
            } while (!isSpaceChar(c));
            return res * sgn;
        }

        private long readLong() {
            int c = read();
            while (isSpaceChar(c)) {
                c = read();
            }
            int sgn = 1;
            if (c == '-') {
                sgn = -1;
                c = read();
            }
            long res = 0;
            do {
                if (c < '0' || c > '9') {
                    throw new InputMismatchException();
                }
                res *= 10;
                res += c - '0';
                c = read();
            } while (!isSpaceChar(c));
            return res * sgn;
        }

        private double readDouble() {
            int c = read();
            while (isSpaceChar(c)) {
                c = read();
            }
            int sgn = 1;
            if (c == '-') {
                sgn = -1;
                c = read();
            }
            double res = 0;
            while (!isSpaceChar(c) && c != '.') {
                if (c == 'e' || c == 'E') {
                    return res * Math.pow(10, readInt());
                }
                if (c < '0' || c > '9') {
                    throw new InputMismatchException();
                }
                res *= 10;
                res += c - '0';
                c = read();
            }
            if (c == '.') {
                c = read();
                double m = 1;
                while (!isSpaceChar(c)) {
                    if (c == 'e' || c == 'E') {
                        return res * Math.pow(10, readInt());
                    }
                    if (c < '0' || c > '9') {
                        throw new InputMismatchException();
                    }
                    m /= 10;
                    res += (c - '0') * m;
                    c = read();
                }
            }
            return res * sgn;
        }

        private boolean isSpaceChar(int c) {
            if (filter != null)
                return filter.isSpaceChar(c);
            return isWhitespace(c);
        }

        public String next() {
            return readString();
        }


        private static boolean isWhitespace(int c) {
            return c == ' ' || c == '\n' || c == '\r' || c == '\t' || c == -1;
        }

        private char readCharacter() {
            int c = read();
            while (isSpaceChar(c))
                c = read();
            return (char) c;
        }

        public interface SpaceCharFilter {
            boolean isSpaceChar(int ch);
        }
    }

    static class OutputWriter {
        private final PrintWriter writer;

        private OutputWriter(OutputStream outputStream) {
            writer = new PrintWriter(new BufferedWriter(new OutputStreamWriter(
                    outputStream)));
        }

        private OutputWriter(Writer writer) {
            this.writer = new PrintWriter(writer);
        }

        private void print(Object... objects) {
            for (int i = 0; i < objects.length; i++) {
                if (i != 0) {
                    writer.print(' ');
                }
                writer.print(objects[i]);
            }
            writer.flush();
        }

        private void printLine(Object... objects) {
            print(objects);
            writer.println();
            writer.flush();
        }

        private void printLine(int i) {
            writer.println(i);
        }


        private void close() {
            writer.close();
        }

        private void flush() {
            writer.flush();
        }


    }

    static class IOUtils {

        private static int[] readIntArray(InputReader in, int size) {
            int[] array = new int[size];
            for (int i = 0; i < size; i++)
                array[i] = in.readInt();
            return array;
        }

        private static long[] readLongArray(InputReader in, int size) {
            long[] array = new long[size];
            for (int i = 0; i < size; i++)
                array[i] = in.readLong();
            return array;
        }

        private static char[] readCharArray(InputReader in, int size) {
            char[] array = new char[size];
            for (int i = 0; i < size; i++)
                array[i] = in.readCharacter();
            return array;
        }

        private static char[][] readTable(InputReader in, int rowCount,
                                          int columnCount) {
            char[][] table = new char[rowCount][];
            for (int i = 0; i < rowCount; i++)
                table[i] = readCharArray(in, columnCount);
            return table;
        }

    }

    static class ArrayUtils {

        private static void fill(int[][] array, int value) {
            for (int[] row : array)
                Arrays.fill(row, value);
        }

    }

    static class MiscUtils {
        private static final int[] DX4 = {1, 0, -1, 0};
        private static final int[] DY4 = {0, -1, 0, 1};

        private static boolean isValidCell(int row, int column, int rowCount,
                                           int columnCount) {
            return row >= 0 && row < rowCount && column >= 0
                    && column < columnCount;
        }

    }


}