func main()
	var L: int :: cui@input().toInt(&)
	var M: int :: cui@input().toInt(&)
	var N: int :: cui@input().toInt(&)
	var money: int :: L * 100 + M * 25 + N
	var ans: int
	do ans :+ money % 25
	do money :- money % 25
	do ans :+ (money % 100) / 25
	do money :- money % 100
	do ans :+ (money % 1000) / 100
	do cui@print("\{ans}\n")
end func