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whatalnk/abc078-c.rb

Last active February 2, 2018 12:01
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AtCoderABC #078 C. HSI
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abc078-c.rb
# ABC078
# C. HSI
n, m = gets.chomp.split(" ").map(&:to_i)
puts (1900 * m + 100 * (n - m)) * 2**m
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