#双指针
def main():
    n = int(input())

    for _ in range(n):
        s = list(input())
        p1 = 0
        for p2 in range(len(s)):
            s[p1] = s[p2]

            p1 += 1

            if p1 >= 3 and s[p1 - 1] == s[p1 - 2] == s[p1 - 3]:
                p1 -= 1
            elif p1 >= 4 and s[p1 - 1] == s[p1 - 2] and s[p1 - 3] == s[p1 - 4]:
                p1 -= 1


        print(''.join(s[0:p1 ]))

# p1 穿过index 不含p1






main()