use std

const n_prime_factors = {n
	var nf = 0
	var p = 3

	if n % 2 == 0
		while n % 2 == 0
			n /= 2
		;;
		nf = 1
	;;

	while n > 1
		if n % p == 0
			while n % p == 0
				n /= p
			;;
			nf ++
		;;
		p += 2;
	;;
	-> nf
}


const main = {
	var i = 210
	while true
		if !(n_prime_factors(i) == 4)
			i++
			continue
		;;
		if !(n_prime_factors(i+1) == 4)
			i += 2
			continue
		;;
		if !(n_prime_factors(i+2) == 4)
			i += 3
			continue
		;;
		if !(n_prime_factors(i+3) == 4)
			i += 4
			continue
		;;
		std.put("{}\n", i)
		break
	;;
}