use strict;
use warnings;
use feature qw/say/;

# https://yukicoder.me/problems/5

# my $input = "100
# 100
# 500
# ";

my $input = <>;
chomp $input;
my $hash_ref;

( $hash_ref->{100}, $hash_ref->{25}, $hash_ref->{1} ) = split /\n/, $input;

if ( $hash_ref->{1} >= 25 ) {
    my $move_up = int( $hash_ref->{1} / 25 );
    $hash_ref->{25} += $move_up;
    $hash_ref->{1}  -= $move_up * 25;
}


if ( $hash_ref->{25} >= 4 ) {
    my $move_up = int( $hash_ref->{25} / 4 );
    $hash_ref->{100} += $move_up;
    # say $hash_ref->{100};
    $hash_ref->{25}  -= $move_up * 4;
}


if ( $hash_ref->{100} >= 10 ) {
    my $move_up = int( $hash_ref->{100} / 10 );

    # $move_up = int ($move_up % 10);
    $move_up = int($move_up / 10);
    $hash_ref->{100}  -= $move_up * 100;

}

# say $hash_ref->{1};
# say $hash_ref->{25};
# say $hash_ref->{100};

my $sum = 0;
for my $n (1,25,100){
    $sum += $hash_ref->{$n};
}
say $sum;