def partsolve2(l):
    l = list(l)
    addone = False
    started = False
    n = 0
    for i, c in enumerate(l[::-1]):
        n = i
        if 0x30 <= ord(c) <= 0x38:
            l[len(l) - i - 1] = chr(ord(c) + 1)
            addone = False
            break
        elif ord(c) == 0x39:
            l[len(l) - i - 1] = "0"
            addone = True
            started = True
        else:
            if addone:
                l.insert(len(l) - i, "1")
                addone = False
            if started:
                break

    if addone:
        l.insert(len(l) - n - 1, "1")

    return "".join(l)

def solve(N, lines):
    ret = []
    for l in lines:
        ret.append(partsolve2(l))
    return ret