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#!/usr/bin/env ruby
def findpair(nums)
(0...nums.length).each do |i|
(0...nums.length).each do |j|
next if j == i
pair = [nums[i], nums[j]]
return pair if pair.max % pair.min == 0
end
end
end
cs = 0
input = $stdin.readlines.map(&:chomp)
input.each do |line|
nums = line.split.map(&:to_i)
pair = findpair(nums)
cs += pair.max / pair.min
end
puts cs
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