Q = int(input())
key = 'box'
B = [2, 8, 16]
for _ in range(Q) :
	ans = input()
	if len(ans) < 2 :
		print(int(ans))
	else :
		bs = 10
		for i in range(len(key)) :
			if ans[1] == key[i] :
				bs = B[i]
		print(int(ans, bs))