{
	ll @a, @b, @c;
	ll sum = a * 100 + b * 25 + c;
	ll ans = 0;
	while(sum >= 1000) sum -= 1000, ans += 1;
	while(sum >= 100) sum -= 100, ans += 1;
	while(sum >= 25) sum -= 25, ans += 1;
	ans += sum;
	wt(ans);

}