my ($price, $tax_rate) = split(/ /, <>);

$tax_rate = (0.01 * $tax_rate + 1);

my $total_price = $price * ($tax_rate);

if ($total_price =~ /^[0-9]+$/) {
    print "$total_price\n";
}else{
    my $final_price = int($total_price);
    print "$final_price\n";
}