while true
    max=0
    a=gets.split.map(&:to_i)
    break if a.reduce(:+)==0
    a[2].times do |i|
        t=(a[2]-i)*(100+a[1])/(100+a[0])+i*(100+a[1])/(100+a[0])
        max=t if t>max
    end
    puts max
    a.clear
end