for _ in range(int(input())):
    S = [int(i) for i in input()]
    for i in range(len(S) - 1, 0, -1):
        for j in range(i):
            S[j] += S[j + 1]
            
            S[j] -= (S[j] // 10) * 9
    
    print(S[0])