use strict;
use prime;

my $a = 1;
my $b = 1;

for (my $i = 10; $i < 100; ++$i) {
	for (my $j = $i + 1; $j < 100; ++$j) {
		if (int($j / 10) != 0
			&& $j % 10 != 0
			&& ($i % 10) == int($j / 10)
			&& $i / $j == int($i / 10) / ($j % 10)) 
		{
			$a *= $i;
			$b *= $j;
		}
	}
}
my $lc = gcd($b, $a);
printf("%d %d/%d", $lc, $a / $lc, $b / $lc);

sub gcd
{
	my($m, $n) = @_;
	if ($m > $n) {
		if ($n == 0) {
			return $m;
		}
		return gcd($m % $n, $n);
	} else {
		if ($m == 0) {
			return $n;
		}
		return gcd($n % $m, $m);
	}
}