"""

Mの桁数をkとする

B = N*(10^k) + M
A = N+M

B%A = 

Aは1ずつ
Bは10^k ずつ増える

N*(10^k-1) が N+M で割り切れる
N*(99999) が N+M で割り切れる

N*9 が N+M (1 <= M < 10)

"""

import sys
from sys import stdin

TT = int(stdin.readline())

for loop in range(TT):

    N = int(stdin.readline())

    for bit in range(max(1,len(str(N))-1),12):

        Q = (10**bit-1) * N

        flag = False
        for i in range(1,int(Q**0.5+10)):

            if Q % i == 0:
                x = i
                M = x - N
                if M > 0 and len(str(M)) == bit:
                    flag = True
                    break
                x = Q // i
                M = x - N
                if M > 0 and len(str(M)) == bit:
                    flag = True
                    break

        if flag:
            break
        

    print (M)