my $coin1 = <>;
chomp ($coin1);
my $coin25 = <>;
chomp ($coin25);
my $coin100 = <>;
chomp ($coin100);

my $total_money = $coin1 + $coin25 * 25 + $coin100 * 100;

my $coin;

if($total_money>1000){
    $coin = $total_money - 1000;
}else{
    $coin =$total_money;
}

my $total_100 = int($coin/100);
my $total_25 = int(($coin - $total_100*100)/25);
my $total_1 = $coin - $total_100*100 - $total_25*25;

my $total_coin = $total_1 + $total_25 + $total_100;

print "$total_coin\n";