def remove_duplicate_columns(matrix):
    unique_matrix = []
    mm = transpose_matrix(matrix)
    for i in range(len(mm)):
        is_duplicate = False
        for j in range(i):
            if all(mm[i][k] == mm[j][k] for k in range(len(mm[i]))):
                is_duplicate = True
                break
        if not is_duplicate:
            unique_matrix.append(mm[i])
    return transpose_matrix(unique_matrix)


def transpose_matrix(matrix):
    transposed_matrix = [list(row) for row in zip(*matrix)]
    return transposed_matrix


def main(strings):
    lst = []
    for s in strings:
        lst.append(s)
    lst = remove_duplicate_columns(lst)
    ls = []
    for i in range(len(lst)):
        num1 = lst[i][0][2:7]
        num2 = lst[i][0][7:11]
        num3 = lst[i][0][11:13]
        num4 = lst[i][0][14:16]
        a = num1 + ' ' + num2 + num3 + num4
        b = '1' if lst[i][1] == 'Да' else '0'
        c = '-'.join(list(lst[i][2].split('.'))[::-1])
        d = lst[i][3][:-2]
        ls.append([a, b, c, d])
    ls.sort(key=lambda x: x[0])
    return transpose_matrix(ls)