<?php
for($i = 2; $i >= 0; $i--) {
	//貯金箱の中身を取得
	$input = $s = trim(fgets(STDIN));
	$coinList[] = $input[$i];
}

for($i = 0; $i < 3; $i++) {

	if ($i == 0) {
		//両替に必要な枚数
		$exchangeCount = 25;
	} else if($i == 1) {
		//両替に必要な枚数
		$exchangeCount = 4;
	}else if($i == 2) {
		//両替に必要な枚数
		$exchangeCount = 10;
	}

	//両替した際に発生する硬貨の枚数
	$countWhenExchange = floor($coinList[$i] / $exchangeCount);

	if($i == 2){
		//1000円札えの両替を行う
		$coinList[$i] -= $countWhenExchange * $exchangeCount;
	} else if (!$countWhenExchange == 0) {
		//両替を行う
		$coinList[$i + 1] += $countWhenExchange;
		$coinList[$i] -= $countWhenExchange * $exchangeCount ;
	}

}
//硬貨の総数
$coinTotal = $coinList[0] + $coinList[1] + $coinList[2];

echo ($coinTotal.PHP_EOL);