define p(n, e, m) {
	auto r
	for (r = 1; e > 0; e /= 2) {
		if (e % 2 == 1) r = n * r % m
		n = n * n % m
	}
	return(r)
}

a = 2988348162058574136915891421498819466320163312926952423791023078876139
b = 2351399303373464486466122544523690094744975233415544072992656881240319
p(a, b, 10 ^ 40)