Valer

for gid in range(6,8):
    for sf in range(6,8):
        for ed in range(6,8):
            for nar in range(6,8):
                summ = gid + sf + ed + nar
                gid_lies = gid == 7
                sf_lies = sf == 7
                ed_lies = ed == 7
                nar_lies = nar == 7

                if (gid_lies or summ == 25) and\
                   (sf_lies or summ == 26) and\
                   (ed_lies or summ == 27) and\
                   (nar_lies or summ == 28):
                    print('gid', gid, 'sf', sf, 'ed', ed, 'nar', nar)