def COMB(A, B):
    if B > A or B < 0:
        return 0
    ANS = 1
    for I in range(min(B, A - B)):
        ANS = ANS * (A - I)
    for I in range(min(B, A - B)):
        ANS = ANS // (min(B, A - B) - I)
    return ANS
T = int(input())
for _ in range(T):
    S = list(map(int,list(input())))
    if S == [0] * len(S):
        print(0)
        continue
    ANS = 0
    for R in range(len(S)):
        if R >= 1000 or len(S) - 100 >= 1000:
            continue
        ANS += COMB(len(S) - 1, R) * S[R]
        ANS %= 9

    if ANS == 0:
        ANS = 9
    print(ANS)