whatalnk

# SRM 647 Div2 Easy
# http://community.topcoder.com/stat?c=problem_statement&pm=13632

class PeacefulLine():
    def makeLine(self, x):
        d = {}
        for i in x:
            if i in d.keys():
                d[i] += 1
            else:

whatalnk

# SRM 648 Div2 Easy
#http://community.topcoder.com/stat?c=problem_statement&pm=13650
class KitayutaMart2():
    def numBought(self, k, t):
        n = 1
        ksum = k
        while True:
            if ksum == t:
                return n
            n += 1

whatalnk

# SRM 671 Div2 Easy
# [Very short Editorial of SRM #671 - Codeforces](http://codeforces.com/blog/entry/20939)
class BearPaints():
    def maxArea(self, w, h, m):
        area = 1
        for i in range(1,w+1):
            area = max(area, i * min(m/i, h))
        return area

whatalnk

# SRM 672 Div2 Easy
class SetPartialOrder():
    def compareSets(self, a, b):
        seta = set(a)
        setb = set(b)
        if seta == setb:
            return "EQUAL"
        elif seta.issubset(setb):
            return "LESS"
        elif setb.issubset(seta):

whatalnk

l = gets.chomp.to_i
n = gets.chomp.to_i
w = gets.chomp.split(" ").map(&:to_i)
w.sort!
ww = 0
i = 0
w.each do |a|
  ww += a
  if ww > l then
    break

whatalnk

# [Problem - 592A - Codeforces](http://codeforces.com/problemset/problem/592/A)
field = []
while line = gets
  field << line.chomp.split("")
end
field = field.transpose
stepA = []
stepB = []
field.each do |r|
  a = r.rindex("W")

whatalnk

# [Problem - A - Codeforces](http://codeforces.com/contest/593/problem/A)
n = gets.chomp.to_i
d = Hash.new(0)
n.times do
  word = gets.chomp
  k = word.split("").uniq.sort
  v = word.length
  d[k] += v if k.length <= 2
end
res = 0

whatalnk

# [A: ダブル文字列/Double String - CODE FESTIVAL 2015 予選B | AtCoder](http://code-festival-2015-qualb.contest.atcoder.jp/tasks/codefestival_2015_qualB_a)
s = gets.chomp
puts s.split("").uniq.join("")*2

whatalnk

// ==UserScript==
// @name        getExampleCases
// @namespace   what_alnk
// @description AtCoderの入力例と出力例をコピーするボタンを設置する
// @include     /^http://[0-9a-zA-Z]+\.contest\.atcoder\.jp/tasks/[A-D]/
// @version     1.2
// @grant       none
// ==/UserScript==

// 通知許可確認

whatalnk

// ==UserScript==
// @name        getExampleCasesInCodeforces
// @namespace   what_alnk
// @description Codeforcesの入力例と出力例をコピーするボタンを設置する
// @include     /^http://codeforces\.com/contest/\d{3}/problem/[0-9A-E]$/
// @version     1.2.1
// @grant       none
// ==/UserScript==

// 通知