1

var
  n, i, k, m: integer;
  x,s, a: real;

begin
  // 2*1/5  4/5  6/5  2*i/5
  //--1---
  readln(n);
  for i := 1 to n do
  begin
    x := (2 * i / 5);
    writeln(x);
  end;

  //---2----
  readln(a);
  i := 1;
  x := (2 * i / 5);
  s := 0;
  while x < a do
  begin
    writeln(x);
    s := s + x;
    i := i + 1;
    x := (2 * i / 5);
  end;
  writeln(s);
  //---3-----
  readln(a);
  i := 1;
  x := (2 * i / 5);
  while x <= a do
  begin
    i := i + 1;
    x := (2 * i / 5);
  end;
  writeln(x);


end.