Problem: 

Input

The input contains a single integer a (0 ≤ a ≤ 35).

Output

Output a single integer.

Examples

Input

3


Output

8


Input

10


Output

1024

Solution (in JAVA):

Solution:
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.FileReader;
import java.util.Arrays;
import java.util.Locale;
import java.util.Iterator;
import java.io.BufferedReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.io.Writer;
import java.util.StringTokenizer;
import java.io.InputStream;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 * @author Abrackadabra
 */
public class Main {
	public static void main(String[] args) {
		InputStream inputStream = System.in;
		OutputStream outputStream = System.out;
		InputReader in = new InputReader(inputStream);
		OutputWriter out = new OutputWriter(outputStream);
		TaskA solver = new TaskA();
		solver.solve(1, in, out);
		out.close();
	}
}

class TaskA {
    public void solve(int testNumber, InputReader in, OutputWriter out) {
        String[] presidents = {
                "Washington",
                "Adams",
                "Jefferson",
                "Madison",
                "Monroe",
                "Adams",
                "Jackson",
                "Van Buren",
                "Harrison",
                "Tyler",
                "Polk",
                "Taylor",
                "Fillmore",
                "Pierce",
                "Buchanan",
                "Lincoln",
                "Johnson",
                "Grant",
                "Hayes",
                "Garfield",
                "Arthur",
                "Cleveland",
                "Harrison",
                "Cleveland",
                "McKinley",
                "Roosevelt",
                "Taft",
                "Wilson",
                "Harding",
                "Coolidge",
                "Hoover",
                "Roosevelt",
                "Truman",
                "Eisenhower",
                "Kennedy",
                "Johnson",
                "Nixon",
                "Ford",
                "Carter",
                "Reagan",
        };

        int n = in.nextInt() - 1;
        out.println(presidents[n]);
    }
}

class InputReader implements Iterable<String> {
    BufferedReader br;
    StringTokenizer in;

    public InputReader(String fileName) {
        try {
            br = new BufferedReader(new FileReader(fileName));
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }

    public InputReader(InputStream inputStream) {
        br = new BufferedReader(new InputStreamReader(inputStream));
    }

    String lastLine = null;

    boolean hasMoreTokens() {
        while (in == null || !in.hasMoreTokens()) {
            lastLine = nextLine();
            if (lastLine == null) {
                return false;
            }
            in = new StringTokenizer(lastLine);
        }
        return true;
    }

    public String nextString() {
        return hasMoreTokens() ? in.nextToken() : null;
    }

    public String nextLine() {
        boolean somethingLeft = in != null && in.hasMoreTokens();
        in = null;
        if (somethingLeft) {
            return lastLine;
        }
        try {
            return br.readLine();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }

    public int nextInt() {
        return Integer.parseInt(nextString());
    }

    public Iterator<String> iterator() {
        return new Iterator<String>() {
            @Override
            public boolean hasNext() {
                return hasMoreTokens();
            }

            @Override
            public String next() {
                return nextString();
            }

            @Override
            public void remove() {
                throw new RuntimeException();
            }
        };
    }
}

class OutputWriter {

    final PrintWriter out;

    public OutputWriter(String fileName) {
        try {
            out = new PrintWriter(fileName);
        } catch (FileNotFoundException e) {
            throw new RuntimeException(e);
        }
    }

    public OutputWriter(OutputStream outputStream) {
        out = new PrintWriter(outputStream);
    }

    public OutputWriter(Writer writer) {
        out = new PrintWriter(writer);
    }

    /* PrintWriter methods */

    public void close() {
        out.close();
    }

    public void println(String x) {
        out.println(x);
    }

    /* My helper methods */

    }