class Firststep
    attr_reader :a, :b

    def initialize(a: 0, b: 0)
        @a, @b = a, b
    end

    def datainput
        begin
            @a, @b = gets.chomp.split.map { |v| Integer(v) }
        rescue
            
        end
    end

    def how_many_steps?(a, b)
        (b / a.to_f).ceil
    end

    def dataoutput
        puts how_many_steps?(@a, @b)
    end

    def run
        datainput
        dataoutput
    end
end

if $0 == __FILE__
    Firststep.new.run
end