# use strict;
# use warnings;

chomp(my $x = <>);
my $N = (split(/ /, $x))[0];
my @c = 1 .. $N;
if ($N != 1) {
    chomp(my $y = <>);
    my @As = split(/ /, $y);
    foreach (@As) {
        unshift(@c, splice(@c, $_ - 1, 1));
    }
}
print($c[0], "\n");