inv = [0, 1, 5, 0, 7, 2, 0, 4, 8, 0] def solve(S, inv): pow3 = 0 cum = 1 ans = int(S[0]) lenS = len(S) if lenS == 1: return ans if S == '0' * lenS: return 0 num = lenS - 1 for i in range(1, lenS): n = num d = lenS - n while not n % 3: pow3 += 1 n //= 3 while not d % 3: pow3 -= 1 d //= 3 cum = (cum * n * inv[d % 9]) % 9 if pow3 < 2: ans += cum * int(S[i]) * 3 ** pow3 num -= 1 return (ans - 1) % 9 + 1 T = int(input()) for t in range(T): S = input() print(solve(S, inv))