def get_input():
t = int(input())
length = []
strs = [] for i in range(t):
length.append(int(input()))
strs.append(input()) return t, length, strs def main():
t, length, strs = get_input() if t < 1 or t > 100:
print('NO') return for i in range(t): if length[i] > 100:
print('NO') return if length[i] < 11:
print('NO') continue s = strs[i]
j = 0 while s[j] != '8' and length[i] >= 11:
j += 1 length[i] -= 1 s = s[j:] if length[i] >= 11 and s[0] == '8':
print('YES') continue print('NO')
main()