$_ = <>;
my @fields = split;
my $lowest = my $highest = $fields[2];

while (<>) {
   my @fields = split;
   if ($fields[2] <= $lowest) {
      $lowest = $fields[2];
   }
   if ($fields[2] >= $highest) {
      $highest = $fields[2];
   }
}

print("$lowest\n");
print("$highest\n");