CF 245 D Generator

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

public class DGen {
  public static void main(String[] args) throws Exception {
    StringBuilder out = new StringBuilder();
    int n = 1+2000+1+1999+1;
    out.append(n);
    out.append('\n');
    out.append(1);
    out.append(' ');
    for(int i=0; i<2000; i++) {
      out.append(10000);
      out.append(' ');
    }   
    out.append(-5000);
    out.append(' ');
    for(int i=0; i<1999; i++) {
      out.append(-10*1000);
      out.append(' ');
    }   
    out.append(-5000);
    out.append('\n');
    System.out.println(out);
  }
  static int r(int lo, int hi) {
    return lo + (int)(Math.random()*(hi-lo+1));
  }
}