l = gets.to_i
m = gets.to_i
n = gets.to_i

total = l*100 + m*25 + n*1
total %= 1000

n100 = total/100
total %= (100*n100)

n25 = total/25
total %= (25*n25)

n1 = total

puts "#{n100+n25+n1}"