fun main() {
    val builder = StringBuilder()

    var current = readInputLine().toInt() * 100
    current += readInputLine().toInt() * 25
    current += readInputLine().toInt() * 1

    current %= 1000

    var ans = 0

    ans += current / 100
    current %= 100

    ans += current / 25
    current %= 25

    ans += current

    builder.appendln(ans)

    print(builder.toString())
}

fun readInputLine(): String {
    return readLine()!!
}