public class PrintTables {
  public static void main(String[] args) {

    // First table:  x and y
    for (double x=1.0; x<=20.05; x ++) {
      for (double y=1.0; y<=20.05; y ++) {
        if (x==y) {
          System.out.println(x + " " + y + " " + 1.0);
        } else {
          System.out.println(x + " " + y + " " + 0.0);
        }
      }
      System.out.println("");
    }

    // Second table:  lo and hi
    for (double lo=1.0; lo<=20.05; lo ++) {
      for (double hi=1.0; hi<=20.05; hi ++) {
        if (lo<=hi) {
          // System.out.println(lo + " " + hi + " " + 1.0/(hi - lo + 1));
          System.out.println(hi + " " + lo + " " + 1.0/(hi - lo + 1));
        } else {
          // System.out.println(lo + " " + hi + " " + 0.0);
          System.out.println(hi + " " + lo + " " + 0.0);
        }
      }
      System.out.println("");
    }

  }
}