N = gets.to_i

dp = Array.new(N+1)
dp[0], dp[1] = 0, 1

def move(dp, from)
  dist = from.to_s(2).count('1')
  if from + dist <= N && dp[from + dist] == nil
    dp[from + dist] = dp[from] + 1
    dp = move(dp, from + dist)
  end
  if from - dist >= 0 && dp[from - dist] == nil
    dp[from - dist] = dp[from] + 1
    dp = move(dp, from - dist)
  end
  return dp
end

dp = move(dp, 1)

p dp[-1]