
import java.util.*;
import java.io.*;

class Main {

    Scanner in;
    InputStream is;
    PrintWriter out;
    String INPUT = "";

//----------------------------------------------------------------------------------------------------//
   

    void solve() throws IOException {
        int t = 1;
        //t = ni();
        while (t-- > 0) {
            char[] S=ns().toCharArray();
            char[] T=ns().toCharArray();
            int a=0;
            for (int i = 0; i < S.length; i++) {
                if(S[i]!=T[i])a++;
            }
            out.println(a);
        }

    }
//----------------------------------------------------------------------------------------------------//

    void run() throws Exception {
        is = System.in;
        out = new PrintWriter(System.out);

        //long s = System.currentTimeMillis();
        solve();
        out.flush();
        //tr(System.currentTimeMillis() - s + "ms");
    }

    public static void main(String[] args) throws Exception {
        new Main().run();
    }

    private byte[] inbuf = new byte[1024];
    public int lenbuf = 0, ptrbuf = 0;

    private int readByte() {
        if (lenbuf == -1) {
            throw new InputMismatchException();
        }
        if (ptrbuf >= lenbuf) {
            ptrbuf = 0;
            try {
                lenbuf = is.read(inbuf);
            } catch (IOException e) {
                throw new InputMismatchException();
            }
            if (lenbuf <= 0) {
                return -1;
            }
        }
        return inbuf[ptrbuf++];
    }

    private boolean isSpaceChar(int c) {
        return !(c >= 33 && c <= 126);
    }

    private int skip() {
        int b;
        while ((b = readByte()) != -1 && isSpaceChar(b));
        return b;
    }

    private double nd() {
        return Double.parseDouble(ns());
    }

    private char nc() {
        return (char) skip();
    }

    private String ns() {
        int b = skip();
        StringBuilder sb = new StringBuilder();
        while (!(isSpaceChar(b))) {  // when nextLine(take whole line as input wid space), (!isSpaceChar(b) || b == ' ') 
            //if(b!=' ') to remove spaces in Str when taking spaces in Str
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    }

    private char[] ns(int n) {
        char[] buf = new char[n];
        int b = skip(), p = 0;
        while (p < n && !(isSpaceChar(b))) {
            buf[p++] = (char) b;
            b = readByte();
        }
        return n == p ? buf : Arrays.copyOf(buf, p);
    }

    private char[][] nm(int n, int m) {
        char[][] map = new char[n][];
        for (int i = 0; i < n; i++) {
            map[i] = ns(m);
        }
        return map;
    }

    private int[] na(int n) {
        int[] a = new int[n];
        for (int i = 0; i < n; i++) {
            a[i] = ni();
        }
        return a;
    }

    private int ni() {
        int num = 0, b;
        boolean minus = false;
        while ((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
        if (b == '-') {
            minus = true;
            b = readByte();
        }

        while (true) {
            if (b >= '0' && b <= '9') {
                num = num * 10 + (b - '0');
            } else {
                return minus ? -num : num;
            }
            b = readByte();
        }
    }

    private long nl() {
        long num = 0;
        int b;
        boolean minus = false;
        while ((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
        if (b == '-') {
            minus = true;
            b = readByte();
        }

        while (true) {
            if (b >= '0' && b <= '9') {
                num = num * 10 + (b - '0');
            } else {
                return minus ? -num : num;
            }
            b = readByte();
        }
    }
    /*private boolean oj = System.getProperty("ONLINE_JUDGE") != null;
    
    private void tr(Object... o) {
        if (!oj) {
            System.out.println(Arrays.deepToString(o));
            
        }
    }*/

} import java.util.*; util.* java import java.io.*; io.* java class Main {

    Scanner in;
    InputStream is;
    PrintWriter out;
    String INPUT = "";

//----------------------------------------------------------------------------------------------------//
   

    void solve() throws IOException {
        int t = 1;
        //t = ni();
        while (t-- > 0) {
            char[] S=ns().toCharArray();
            char[] T=ns().toCharArray();
            int a=0;
            for (int i = 0; i < S.length; i++) {
                if(S[i]!=T[i])a++;
            }
            out.println(a);
        }

    }
//----------------------------------------------------------------------------------------------------//

    void run() throws Exception {
        is = System.in;
        out = new PrintWriter(System.out);

        //long s = System.currentTimeMillis();
        solve();
        out.flush();
        //tr(System.currentTimeMillis() - s + "ms");
    }

    public static void main(String[] args) throws Exception {
        new Main().run();
    }

    private byte[] inbuf = new byte[1024];
    public int lenbuf = 0, ptrbuf = 0;

    private int readByte() {
        if (lenbuf == -1) {
            throw new InputMismatchException();
        }
        if (ptrbuf >= lenbuf) {
            ptrbuf = 0;
            try {
                lenbuf = is.read(inbuf);
            } catch (IOException e) {
                throw new InputMismatchException();
            }
            if (lenbuf <= 0) {
                return -1;
            }
        }
        return inbuf[ptrbuf++];
    }

    private boolean isSpaceChar(int c) {
        return !(c >= 33 && c <= 126);
    }

    private int skip() {
        int b;
        while ((b = readByte()) != -1 && isSpaceChar(b));
        return b;
    }

    private double nd() {
        return Double.parseDouble(ns());
    }

    private char nc() {
        return (char) skip();
    }

    private String ns() {
        int b = skip();
        StringBuilder sb = new StringBuilder();
        while (!(isSpaceChar(b))) {  // when nextLine(take whole line as input wid space), (!isSpaceChar(b) || b == ' ') 
            //if(b!=' ') to remove spaces in Str when taking spaces in Str
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    }

    private char[] ns(int n) {
        char[] buf = new char[n];
        int b = skip(), p = 0;
        while (p < n && !(isSpaceChar(b))) {
            buf[p++] = (char) b;
            b = readByte();
        }
        return n == p ? buf : Arrays.copyOf(buf, p);
    }

    private char[][] nm(int n, int m) {
        char[][] map = new char[n][];
        for (int i = 0; i < n; i++) {
            map[i] = ns(m);
        }
        return map;
    }

    private int[] na(int n) {
        int[] a = new int[n];
        for (int i = 0; i < n; i++) {
            a[i] = ni();
        }
        return a;
    }

    private int ni() {
        int num = 0, b;
        boolean minus = false;
        while ((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
        if (b == '-') {
            minus = true;
            b = readByte();
        }

        while (true) {
            if (b >= '0' && b <= '9') {
                num = num * 10 + (b - '0');
            } else {
                return minus ? -num : num;
            }
            b = readByte();
        }
    }

    private long nl() {
        long num = 0;
        int b;
        boolean minus = false;
        while ((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
        if (b == '-') {
            minus = true;
            b = readByte();
        }

        while (true) {
            if (b >= '0' && b <= '9') {
                num = num * 10 + (b - '0');
            } else {
                return minus ? -num : num;
            }
            b = readByte();
        }
    }
    /*private boolean oj = System.getProperty("ONLINE_JUDGE") != null;
    
    private void tr(Object... o) {
        if (!oj) {
            System.out.println(Arrays.deepToString(o));
            
        }
    }*/

} Main Scanner in; in InputStream is; is PrintWriter out; out String INPUT = ""; INPUT "" private byte[] inbuf = new byte[1024]; inbuf new byte[1024] 1024 public int lenbuf = 0 lenbuf 0 ptrbuf = 0; ptrbuf 0 void solve() throws IOException {
        int t = 1;
        //t = ni();
        while (t-- > 0) {
            char[] S=ns().toCharArray();
            char[] T=ns().toCharArray();
            int a=0;
            for (int i = 0; i < S.length; i++) {
                if(S[i]!=T[i])a++;
            }
            out.println(a);
        }

    } solve {
        int t = 1;
        //t = ni();
        while (t-- > 0) {
            char[] S=ns().toCharArray();
            char[] T=ns().toCharArray();
            int a=0;
            for (int i = 0; i < S.length; i++) {
                if(S[i]!=T[i])a++;
            }
            out.println(a);
        }

    } int t = 1; t 1 while (t-- > 0) {
            char[] S=ns().toCharArray();
            char[] T=ns().toCharArray();
            int a=0;
            for (int i = 0; i < S.length; i++) {
                if(S[i]!=T[i])a++;
            }
            out.println(a);
        } t-- > 0 t-- t 0 {
            char[] S=ns().toCharArray();
            char[] T=ns().toCharArray();
            int a=0;
            for (int i = 0; i < S.length; i++) {
                if(S[i]!=T[i])a++;
            }
            out.println(a);
        } char[] S=ns().toCharArray(); S ns().toCharArray() ns().toCharArray ns() ns char[] T=ns().toCharArray(); T ns().toCharArray() ns().toCharArray ns() ns int a=0; a 0 for (int i = 0; i < S.length; i++) {
                if(S[i]!=T[i])a++;
            } int i = 0; int i = 0; i 0 i < S.length i S.length S S.length i++ i++ i {
                if(S[i]!=T[i])a++;
            } {
                if(S[i]!=T[i])a++;
            } if(S[i]!=T[i])a++; S[i]!=T[i] S[i] S i T[i] T i a++ a out.println(a) out.println out a void run() throws Exception {
        is = System.in;
        out = new PrintWriter(System.out);

        //long s = System.currentTimeMillis();
        solve();
        out.flush();
        //tr(System.currentTimeMillis() - s + "ms");
    } run {
        is = System.in;
        out = new PrintWriter(System.out);

        //long s = System.currentTimeMillis();
        solve();
        out.flush();
        //tr(System.currentTimeMillis() - s + "ms");
    } is = System.in is System.in System System.in out = new PrintWriter(System.out) out new PrintWriter(System.out) solve() solve out.flush() out.flush out public static void main(String[] args) throws Exception {
        new Main().run();
    } main {
        new Main().run();
    } new Main().run() new Main().run new Main() String[] args args private int readByte() {
        if (lenbuf == -1) {
            throw new InputMismatchException();
        }
        if (ptrbuf >= lenbuf) {
            ptrbuf = 0;
            try {
                lenbuf = is.read(inbuf);
            } catch (IOException e) {
                throw new InputMismatchException();
            }
            if (lenbuf <= 0) {
                return -1;
            }
        }
        return inbuf[ptrbuf++];
    } readByte {
        if (lenbuf == -1) {
            throw new InputMismatchException();
        }
        if (ptrbuf >= lenbuf) {
            ptrbuf = 0;
            try {
                lenbuf = is.read(inbuf);
            } catch (IOException e) {
                throw new InputMismatchException();
            }
            if (lenbuf <= 0) {
                return -1;
            }
        }
        return inbuf[ptrbuf++];
    } if (lenbuf == -1) {
            throw new InputMismatchException();
        } lenbuf == -1 lenbuf -1 1 {
            throw new InputMismatchException();
        } throw new InputMismatchException(); new InputMismatchException() if (ptrbuf >= lenbuf) {
            ptrbuf = 0;
            try {
                lenbuf = is.read(inbuf);
            } catch (IOException e) {
                throw new InputMismatchException();
            }
            if (lenbuf <= 0) {
                return -1;
            }
        } ptrbuf >= lenbuf ptrbuf lenbuf {
            ptrbuf = 0;
            try {
                lenbuf = is.read(inbuf);
            } catch (IOException e) {
                throw new InputMismatchException();
            }
            if (lenbuf <= 0) {
                return -1;
            }
        } ptrbuf = 0 ptrbuf 0 try {
                lenbuf = is.read(inbuf);
            } catch (IOException e) {
                throw new InputMismatchException();
            } catch (IOException e) {
                throw new InputMismatchException();
            } IOException e {
                throw new InputMismatchException();
            } throw new InputMismatchException(); new InputMismatchException() {
                lenbuf = is.read(inbuf);
            } lenbuf = is.read(inbuf) lenbuf is.read(inbuf) is.read is inbuf if (lenbuf <= 0) {
                return -1;
            } lenbuf <= 0 lenbuf 0 {
                return -1;
            } return -1; -1 1 return inbuf[ptrbuf++]; inbuf[ptrbuf++] inbuf ptrbuf++ ptrbuf private boolean isSpaceChar(int c) {
        return !(c >= 33 && c <= 126);
    } isSpaceChar {
        return !(c >= 33 && c <= 126);
    } return !(c >= 33 && c <= 126); !(c >= 33 && c <= 126) (c >= 33 && c <= 126) c >= 33 c 33 c <= 126 c 126 int c c private int skip() {
        int b;
        while ((b = readByte()) != -1 && isSpaceChar(b));
        return b;
    } skip {
        int b;
        while ((b = readByte()) != -1 && isSpaceChar(b));
        return b;
    } int b; b while ((b = readByte()) != -1 && isSpaceChar(b)); (b = readByte()) != -1 && isSpaceChar(b) (b = readByte()) != -1 (b = readByte()) b readByte() readByte -1 1 isSpaceChar(b) isSpaceChar b return b; b private double nd() {
        return Double.parseDouble(ns());
    } nd {
        return Double.parseDouble(ns());
    } return Double.parseDouble(ns()); Double.parseDouble(ns()) Double.parseDouble Double ns() ns private char nc() {
        return (char) skip();
    } nc {
        return (char) skip();
    } return (char) skip(); (char) skip() skip private String ns() {
        int b = skip();
        StringBuilder sb = new StringBuilder();
        while (!(isSpaceChar(b))) {  // when nextLine(take whole line as input wid space), (!isSpaceChar(b) || b == ' ') 
            //if(b!=' ') to remove spaces in Str when taking spaces in Str
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    } ns {
        int b = skip();
        StringBuilder sb = new StringBuilder();
        while (!(isSpaceChar(b))) {  // when nextLine(take whole line as input wid space), (!isSpaceChar(b) || b == ' ') 
            //if(b!=' ') to remove spaces in Str when taking spaces in Str
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    } int b = skip(); b skip() skip StringBuilder sb = new StringBuilder(); sb new StringBuilder() while (!(isSpaceChar(b))) {  // when nextLine(take whole line as input wid space), (!isSpaceChar(b) || b == ' ') 
            //if(b!=' ') to remove spaces in Str when taking spaces in Str
            sb.appendCodePoint(b);
            b = readByte();
        } !(isSpaceChar(b)) (isSpaceChar(b)) isSpaceChar b {  // when nextLine(take whole line as input wid space), (!isSpaceChar(b) || b == ' ') 
            //if(b!=' ') to remove spaces in Str when taking spaces in Str
            sb.appendCodePoint(b);
            b = readByte();
        } sb.appendCodePoint(b) sb.appendCodePoint sb b b = readByte() b readByte() readByte return sb.toString(); sb.toString() sb.toString sb private char[] ns(int n) {
        char[] buf = new char[n];
        int b = skip(), p = 0;
        while (p < n && !(isSpaceChar(b))) {
            buf[p++] = (char) b;
            b = readByte();
        }
        return n == p ? buf : Arrays.copyOf(buf, p);
    } ns {
        char[] buf = new char[n];
        int b = skip(), p = 0;
        while (p < n && !(isSpaceChar(b))) {
            buf[p++] = (char) b;
            b = readByte();
        }
        return n == p ? buf : Arrays.copyOf(buf, p);
    } char[] buf = new char[n]; buf new char[n] n int b = skip() b skip() skip p = 0; p 0 while (p < n && !(isSpaceChar(b))) {
            buf[p++] = (char) b;
            b = readByte();
        } p < n && !(isSpaceChar(b)) p < n p n !(isSpaceChar(b)) (isSpaceChar(b)) isSpaceChar b {
            buf[p++] = (char) b;
            b = readByte();
        } buf[p++] = (char) b buf[p++] buf p++ p (char) b b = readByte() b readByte() readByte return n == p ? buf : Arrays.copyOf(buf, p); n == p ? buf : Arrays.copyOf(buf, p) n == p n p buf Arrays.copyOf(buf, p) Arrays.copyOf Arrays buf p int n n private char[][] nm(int n, int m) {
        char[][] map = new char[n][];
        for (int i = 0; i < n; i++) {
            map[i] = ns(m);
        }
        return map;
    } nm {
        char[][] map = new char[n][];
        for (int i = 0; i < n; i++) {
            map[i] = ns(m);
        }
        return map;
    } char[][] map = new char[n][]; map new char[n][] n for (int i = 0; i < n; i++) {
            map[i] = ns(m);
        } int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
            map[i] = ns(m);
        } {
            map[i] = ns(m);
        } map[i] = ns(m) map[i] map i ns(m) ns m return map; map int n n int m m private int[] na(int n) {
        int[] a = new int[n];
        for (int i = 0; i < n; i++) {
            a[i] = ni();
        }
        return a;
    } na {
        int[] a = new int[n];
        for (int i = 0; i < n; i++) {
            a[i] = ni();
        }
        return a;
    } int[] a = new int[n]; a new int[n] n for (int i = 0; i < n; i++) {
            a[i] = ni();
        } int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
            a[i] = ni();
        } {
            a[i] = ni();
        } a[i] = ni() a[i] a i ni() ni return a; a int n n private int ni() {
        int num = 0, b;
        boolean minus = false;
        while ((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
        if (b == '-') {
            minus = true;
            b = readByte();
        }

        while (true) {
            if (b >= '0' && b <= '9') {
                num = num * 10 + (b - '0');
            } else {
                return minus ? -num : num;
            }
            b = readByte();
        }
    } ni {
        int num = 0, b;
        boolean minus = false;
        while ((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
        if (b == '-') {
            minus = true;
            b = readByte();
        }

        while (true) {
            if (b >= '0' && b <= '9') {
                num = num * 10 + (b - '0');
            } else {
                return minus ? -num : num;
            }
            b = readByte();
        }
    } int num = 0 num 0 b; b boolean minus = false; minus false while ((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-')); (b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-') (b = readByte()) != -1 (b = readByte()) b readByte() readByte -1 1 !((b >= '0' && b <= '9') || b == '-') ((b >= '0' && b <= '9') || b == '-') (b >= '0' && b <= '9') b >= '0' b '0' b <= '9' b '9' b == '-' b '-' if (b == '-') {
            minus = true;
            b = readByte();
        } b == '-' b '-' {
            minus = true;
            b = readByte();
        } minus = true minus true b = readByte() b readByte() readByte while (true) {
            if (b >= '0' && b <= '9') {
                num = num * 10 + (b - '0');
            } else {
                return minus ? -num : num;
            }
            b = readByte();
        } true {
            if (b >= '0' && b <= '9') {
                num = num * 10 + (b - '0');
            } else {
                return minus ? -num : num;
            }
            b = readByte();
        } if (b >= '0' && b <= '9') {
                num = num * 10 + (b - '0');
            } else {
                return minus ? -num : num;
            } b >= '0' && b <= '9' b >= '0' b '0' b <= '9' b '9' {
                num = num * 10 + (b - '0');
            } num = num * 10 + (b - '0') num num * 10 + (b - '0') num * 10 num 10 (b - '0') b '0' {
                return minus ? -num : num;
            } return minus ? -num : num; minus ? -num : num minus -num num num b = readByte() b readByte() readByte private long nl() {
        long num = 0;
        int b;
        boolean minus = false;
        while ((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
        if (b == '-') {
            minus = true;
            b = readByte();
        }

        while (true) {
            if (b >= '0' && b <= '9') {
                num = num * 10 + (b - '0');
            } else {
                return minus ? -num : num;
            }
            b = readByte();
        }
    } nl {
        long num = 0;
        int b;
        boolean minus = false;
        while ((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
        if (b == '-') {
            minus = true;
            b = readByte();
        }

        while (true) {
            if (b >= '0' && b <= '9') {
                num = num * 10 + (b - '0');
            } else {
                return minus ? -num : num;
            }
            b = readByte();
        }
    } long num = 0; num 0 int b; b boolean minus = false; minus false while ((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-')); (b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-') (b = readByte()) != -1 (b = readByte()) b readByte() readByte -1 1 !((b >= '0' && b <= '9') || b == '-') ((b >= '0' && b <= '9') || b == '-') (b >= '0' && b <= '9') b >= '0' b '0' b <= '9' b '9' b == '-' b '-' if (b == '-') {
            minus = true;
            b = readByte();
        } b == '-' b '-' {
            minus = true;
            b = readByte();
        } minus = true minus true b = readByte() b readByte() readByte while (true) {
            if (b >= '0' && b <= '9') {
                num = num * 10 + (b - '0');
            } else {
                return minus ? -num : num;
            }
            b = readByte();
        } true {
            if (b >= '0' && b <= '9') {
                num = num * 10 + (b - '0');
            } else {
                return minus ? -num : num;
            }
            b = readByte();
        } if (b >= '0' && b <= '9') {
                num = num * 10 + (b - '0');
            } else {
                return minus ? -num : num;
            } b >= '0' && b <= '9' b >= '0' b '0' b <= '9' b '9' {
                num = num * 10 + (b - '0');
            } num = num * 10 + (b - '0') num num * 10 + (b - '0') num * 10 num 10 (b - '0') b '0' {
                return minus ? -num : num;
            } return minus ? -num : num; minus ? -num : num minus -num num num b = readByte() b readByte() readByte

import java.util.*;
import java.io.*;

class Main {

    Scanner in;
    InputStream is;
    PrintWriter out;
    String INPUT = "";

//----------------------------------------------------------------------------------------------------//
   

    void solve() throws IOException {
        int t = 1;
        //t = ni();
        while (t-- > 0) {
            char[] S=ns().toCharArray();
            char[] T=ns().toCharArray();
            int a=0;
            for (int i = 0; i < S.length; i++) {
                if(S[i]!=T[i])a++;
            }
            out.println(a);
        }

    }
//----------------------------------------------------------------------------------------------------//

    void run() throws Exception {
        is = System.in;
        out = new PrintWriter(System.out);

        //long s = System.currentTimeMillis();
        solve();
        out.flush();
        //tr(System.currentTimeMillis() - s + "ms");
    }

    public static void main(String[] args) throws Exception {
        new Main().run();
    }

    private byte[] inbuf = new byte[1024];
    public int lenbuf = 0, ptrbuf = 0;

    private int readByte() {
        if (lenbuf == -1) {
            throw new InputMismatchException();
        }
        if (ptrbuf >= lenbuf) {
            ptrbuf = 0;
            try {
                lenbuf = is.read(inbuf);
            } catch (IOException e) {
                throw new InputMismatchException();
            }
            if (lenbuf <= 0) {
                return -1;
            }
        }
        return inbuf[ptrbuf++];
    }

    private boolean isSpaceChar(int c) {
        return !(c >= 33 && c <= 126);
    }

    private int skip() {
        int b;
        while ((b = readByte()) != -1 && isSpaceChar(b));
        return b;
    }

    private double nd() {
        return Double.parseDouble(ns());
    }

    private char nc() {
        return (char) skip();
    }

    private String ns() {
        int b = skip();
        StringBuilder sb = new StringBuilder();
        while (!(isSpaceChar(b))) {  // when nextLine(take whole line as input wid space), (!isSpaceChar(b) || b == ' ') 
            //if(b!=' ') to remove spaces in Str when taking spaces in Str
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    }

    private char[] ns(int n) {
        char[] buf = new char[n];
        int b = skip(), p = 0;
        while (p < n && !(isSpaceChar(b))) {
            buf[p++] = (char) b;
            b = readByte();
        }
        return n == p ? buf : Arrays.copyOf(buf, p);
    }

    private char[][] nm(int n, int m) {
        char[][] map = new char[n][];
        for (int i = 0; i < n; i++) {
            map[i] = ns(m);
        }
        return map;
    }

    private int[] na(int n) {
        int[] a = new int[n];
        for (int i = 0; i < n; i++) {
            a[i] = ni();
        }
        return a;
    }

    private int ni() {
        int num = 0, b;
        boolean minus = false;
        while ((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
        if (b == '-') {
            minus = true;
            b = readByte();
        }

        while (true) {
            if (b >= '0' && b <= '9') {
                num = num * 10 + (b - '0');
            } else {
                return minus ? -num : num;
            }
            b = readByte();
        }
    }

    private long nl() {
        long num = 0;
        int b;
        boolean minus = false;
        while ((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
        if (b == '-') {
            minus = true;
            b = readByte();
        }

        while (true) {
            if (b >= '0' && b <= '9') {
                num = num * 10 + (b - '0');
            } else {
                return minus ? -num : num;
            }
            b = readByte();
        }
    }
    /*private boolean oj = System.getProperty("ONLINE_JUDGE") != null;
    
    private void tr(Object... o) {
        if (!oj) {
            System.out.println(Arrays.deepToString(o));
            
        }
    }*/

}
