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#!/usr/bin/env ruby
drawing, procedure = ARGF.read.split /\n.*\n\n/
first, *rest = (drawing.split "\n").map { |line| (line.scan /.(.). ?/) }
stacks = (first.zip *rest).map { |stack| stack.join.strip.reverse }
for line in procedure.split "\n"
n, from, to = (line.scan /\d+/).map &:to_i
stacks[to - 1] << stacks[from - 1][-n..]
stacks[from - 1].slice! -n..
end
puts (stacks.map { |stack| stack[-1] }).join
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