use strict;
use warnings;

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

# my $input = "133
# 43
# 115
# ";

my $input = <>;

chomp $input;

my $hash_ref;

my @array = split /\n/, $input;
chomp( @array );

my $sum = $array[0] * 100 + $array[1] * 25 + $array[2];

my $coins = $sum % 1000;

my $coin_100 = int( $coins / 100 );
my $coin_25  = int( ( $coins - $coin_100 * 100 ) / 25 );
my $coin_1   = int( ( $coins - ( $coin_100 * 100 ) - ( $coin_25 * 25 ) ) );

print $coin_100 + $coin_25 + $coin_1 , "\n";