#using : utf-8 #encoding : utf-8 s = gets.chomp ans = 0 len = 0 con = false dot = "…" for i in 0...s.length do if s[i] == dot then if con == true then len += 1 ans = [ans, len].max else con = true len = 1 ans = [ans, len].max end else len = 0 con = false end end puts ans