koka = [1, 25, 100, 1000]

gokei = 0
(koka.length - 1).times do |i|
    gokei += gets.to_i * koka[koka.length - 2 - i]
end

koka_count = 0
(koka.length - 1).times do |i|
    koka_count += gokei % koka[koka.length - 1 - i] / koka[koka.length - 2 - i]
end

p koka_count