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 n: int :: money % 25
	do money :- n
	var m: int :: money % 100
	do money :- m
	var l: int :: money % 1000
	var ans: int :: n + m / 25 + l / 100
	do cui@print("\{ans}\n")
end func