gistfile1.txt

a = 10
l = ARGV.collect {|x| x.to_i }
c = 0

i = 0
while i < (l.size - 2)
        j = i + 1
        while j < (l.size - 1)
                k = j + 1
                while k < (l.size)
                        puts "#{l[i]} + #{l[j]} + #{l[k]} == #{l[i] + l[j] + l[k]}"
                        c += 1
                        if (l[i] + l[j] + l[k] == a)
                                puts "found@#{i},#{j},#{k}: #{l[i]}+#{l[j]}+#{l[k]} == #{a} (#{c} cases)"
                                exit
                        end
                        k += 1
                end
                j += 1
        end
        i += 1
end
puts "Not found (#{c} cases)"
exit 1