Table:
none
soviet union
czechoslovakia
poland
east germany

none
5400
7400
5400
7400
8400
5400
6400
7400
7400
8400

74
133
к155
mh54
mh74
mh84
uca54
uca64
ucy74
d1
e1

74l
134
кр134
none
none
none
none
none
none
none
none

74h
130
к131
none
none
none
none
uca64h
ucy74h
d2
e2

74s
530
кр531
mh54s
mh74s
mh84s
none
none
ucy74s
ds
none

74ls
533
к555
none
none
none
none
none
ucy74ls
dl
none

74as
1530
кр1530
none
none
none
none
none
none
none
none

74als
1533
кр1533
mh54als
mh74als
none
none
none
none
none
none

74f
1531
кр1531
none
none
none
none
none
none
none
none

74hc
1564
кр1564
none
none
none
none
none
none
none
none

74hct
none
none
none
none
none
none
none
none
u74hct
none

74ac
1554
кр1554
none
none
none
none
none
none
none
none

74act
1594
кр1594
none
none
none
none
none
none
none
none

74lvc
5574
none
none
none
none
none
none
none
none
none

74vhc
5584
none
none
none
none
none
none
none
none
none

Statement: poland used uca for the 5400 and 6400 series and ucy for the 7400 series.
Question: which country used uca for the 5400 and 6400 series and ucy for the 7400 series.
Answer: poland