prime
0
false
prime
s
0
false
prime
s
s
x
prime1
s
s
x
s
x
prime1
x
0
false
prime1
x
s
0
true
prime1
x
s
s
y
and
not
divp
s
s
y
x
prime1
x
s
y
divp
x
y
=
rem
x
y
0
prime
1
0
0
false
0
s
1
prime1
2
true
0
and
2
not
1
divp
2
=
2
rem
2
FULL
./TRS/SK90/2.29.trs