fast_read

fast_read

import java.io.*;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.StringTokenizer;



public class Main {
    static InputReader cin = new InputReader();
    static PrintWriter cout = new PrintWriter(new OutputStreamWriter(System.out));
    public static void main(String[] args) throws Exception {
        /*
         你的代码写在这里
         (输入实例： int a = cin.nextInt();)
        */
        int a = cin.nextInt();
        cout.println(a);
        cout.close(); //不关闭输出流的话，控制台会没有输出，所以一定要关，in最好也关，不过实测没有因为不关in出过问题
    }

    static class InputReader{
        private StringTokenizer st;
        private BufferedReader bf;

        public InputReader() {
            bf = new BufferedReader(new InputStreamReader(System.in));
            st = null;
        }

        public String next() throws IOException{
            while(st == null || !st.hasMoreTokens()) {
                st = new StringTokenizer(bf.readLine());
            }
            return st.nextToken();
        }

        public String nextLine() throws IOException{
            return bf.readLine();
        }

        public int nextInt() throws IOException{
            return Integer.parseInt(next());
        }

        public long nextLong() throws IOException{
            return Long.parseLong(next());
        }

        public double nextDouble() throws IOException{
            return Double.parseDouble(next());
        }

        public BigInteger nextBigInteger() throws IOException{
            return new BigInteger(next());
        }

        public BigDecimal nextBigDecimal() throws IOException{
            return new BigDecimal(next());
        }
    }
}