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#!/usr/bin/env ruby class Integer def two? self == 2 end def three? self == 3 end end input = $stdin.readlines.map(&:chomp) twos = 0 threes = 0 input.each do |i| hash = Hash.new(0) i.chars.each do |c| hash[c] += 1 end twos += 1 if hash.values.map(&:two?).any? threes += 1 if hash.values.map(&:three?).any? end puts twos * threes