puts "1 chocolate bar at 25"
.split()
.reject {|string| string == "at" }
.map {|string| string.scan(/^\D+$/).empty? ? string.to_i : string }
#.map {|s| s.class.name }
cHV0cyAiMSBjaG9jb2xhdGUgYmFyIGF0IDI1IgogIC5zcGxpdCgpCiAgLnJlamVjdCB7fHN0cmluZ3wgc3RyaW5nID09ICJhdCIgfQogIC5tYXAge3xzdHJpbmd8IHN0cmluZy5zY2FuKC9eXEQrJC8pLmVtcHR5PyA/IHN0cmluZy50b19pIDogc3RyaW5nIH0KICAjLm1hcCB7fHN8IHMuY2xhc3MubmFtZSB9