use strict;
use warnings;
use List::Util qw/first max min/;

sub gets {
    chomp(my $line = <>);
    split / /, $line;
}

my ($N, $A, $B, $X, $Y) = gets;
my @H = gets;

while ($A--) {
    my $maxval = max @H;
    my $i = first {$H[$_] == $maxval} (0..$N-1);
    $H[$i] -= $X;
}

while ($B--) {
    my $p = $Y;
    foreach my $i (0..$N-1) {
        next if ($H[$i] <= 0);
        my $d = min($p, $H[$i]);
        $H[$i] -= $d;
        $p -= $d;
    }
}

if (grep {$_ > 0} @H) {
    print "No\n";
} else {
    print "Yes\n";
}