a__terms
N
cons
recip
a__sqr
mark
N
terms
s
N
a__sqr
0
0
a__sqr
s
X
s
a__add
a__sqr
mark
X
a__dbl
mark
X
a__dbl
0
0
a__dbl
s
X
s
s
a__dbl
mark
X
a__add
0
X
mark
X
a__add
s
X
Y
s
a__add
mark
X
mark
Y
a__first
0
X
nil
a__first
s
X
cons
Y
Z
cons
mark
Y
first
X
Z
mark
terms
X
a__terms
mark
X
mark
sqr
X
a__sqr
mark
X
mark
add
X1
X2
a__add
mark
X1
mark
X2
mark
dbl
X
a__dbl
mark
X
mark
first
X1
X2
a__first
mark
X1
mark
X2
mark
cons
X1
X2
cons
mark
X1
X2
mark
recip
X
recip
mark
X
mark
s
X
s
mark
X
mark
0
0
mark
nil
nil
a__terms
X
terms
X
a__sqr
X
sqr
X
a__add
X1
X2
add
X1
X2
a__dbl
X
dbl
X
a__first
X1
X2
first
X1
X2
2.2
mark
dbl
X
a__dbl
mark
X
mark
cons
X1
X2
mark
X1
mark
sqr
X
mark
X
a__add
s
X
Y
a__add
mark
X
mark
Y
mark
add
X1
X2
mark
X2
mark
first
X1
X2
mark
X1
a__sqr
s
X
mark
X
a__sqr
s
X
a__sqr
mark
X
mark
first
X1
X2
mark
X2
a__add
s
X
Y
mark
X
a__sqr
s
X
a__dbl
mark
X
mark
s
X
mark
X
mark
add
X1
X2
a__add
mark
X1
mark
X2
mark
first
X1
X2
a__first
mark
X1
mark
X2
mark
sqr
X
a__sqr
mark
X
a__terms
N
mark
N
a__sqr
s
X
a__add
a__sqr
mark
X
a__dbl
mark
X
a__terms
N
a__sqr
mark
N
mark
terms
X
mark
X
a__dbl
s
X
mark
X
a__sqr
s
X
mark
X
mark
recip
X
mark
X
mark
terms
X
a__terms
mark
X
mark
dbl
X
mark
X
a__add
0
X
mark
X
mark
add
X1
X2
mark
X1
a__add
s
X
Y
mark
Y
a__first
s
X
cons
Y
Z
mark
Y
a__dbl
s
X
a__dbl
mark
X
true
a__dbl
s
X
a__dbl
mark
X
a__sqr
s
X
a__dbl
mark
X
a__first
s
X
cons
Y
Z
mark
Y
a__add
s
X
Y
mark
X
a__add
s
X
Y
mark
Y
mark
first
X1
X2
mark
X2
mark
add
X1
X2
mark
X1
a__add
0
X
mark
X
a__sqr
s
X
a__sqr
mark
X
mark
dbl
X
mark
X
a__sqr
s
X
mark
X
mark
terms
X
a__terms
mark
X
mark
recip
X
mark
X
a__sqr
s
X
mark
X
mark
first
X1
X2
mark
X1
mark
add
X1
X2
mark
X2
a__add
s
X
Y
a__add
mark
X
mark
Y
a__dbl
s
X
mark
X
mark
terms
X
mark
X
mark
sqr
X
mark
X
a__terms
N
a__sqr
mark
N
a__sqr
s
X
a__add
a__sqr
mark
X
a__dbl
mark
X
a__terms
N
mark
N
mark
sqr
X
a__sqr
mark
X
mark
first
X1
X2
a__first
mark
X1
mark
X2
mark
add
X1
X2
a__add
mark
X1
mark
X2
mark
cons
X1
X2
mark
X1
mark
dbl
X
a__dbl
mark
X
mark
s
X
mark
X
true
s
1
1
0
a__first
2
2
19308
0
recip
1
1
1
dbl
1
1
32287
a__add
2
1
19306
2
19307
0
a__add
2
1
0
2
11799
0
a__dbl
1
1
32287
a__sqr
1
1
44086
a__terms
1
1
63393
mark
1
1
19306
0
0
8368
nil
0
4
a__dbl
1
1
19307
mark
1
1
0
first
2
1
1
2
3
0
a__first
2
1
1
2
3
0
cons
2
1
4
0
add
2
1
0
2
11799
0
sqr
1
1
44086
a__terms
1
1
44091
a__sqr
1
1
63392
terms
1
1
44091
mark
s
X
mark
X
mark
add
X1
X2
a__add
mark
X1
mark
X2
mark
sqr
X
a__sqr
mark
X
a__sqr
s
X
a__add
a__sqr
mark
X
a__dbl
mark
X
a__add
s
X
Y
a__add
mark
X
mark
Y
a__sqr
s
X
a__sqr
mark
X
mark
add
X1
X2
mark
X1
a__add
s
X
Y
mark
X
a__dbl
s
X
a__dbl
mark
X
mark
0
0
a__dbl
0
0
mark
cons
X1
X2
cons
mark
X1
X2
a__first
0
X
nil
a__terms
N
cons
recip
a__sqr
mark
N
terms
s
N
a__sqr
s
X
s
a__add
a__sqr
mark
X
a__dbl
mark
X
mark
recip
X
recip
mark
X
a__sqr
X
sqr
X
mark
nil
nil
mark
s
X
s
mark
X
a__add
X1
X2
add
X1
X2
a__dbl
s
X
s
s
a__dbl
mark
X
mark
terms
X
a__terms
mark
X
a__add
s
X
Y
s
a__add
mark
X
mark
Y
a__terms
X
terms
X
mark
first
X1
X2
a__first
mark
X1
mark
X2
mark
add
X1
X2
a__add
mark
X1
mark
X2
a__dbl
X
dbl
X
a__first
X1
X2
first
X1
X2
mark
sqr
X
a__sqr
mark
X
a__first
s
X
cons
Y
Z
cons
mark
Y
first
X
Z
mark
dbl
X
a__dbl
mark
X
a__add
0
X
mark
X
a__sqr
0
0
a__dbl
s
X
a__dbl
mark
X
true
a__terms
1
1
a__dbl
1
1
mark
1
1
a__sqr
1
1
s
1
0
1
a__first
2
0
2
1
recip
1
0
1
dbl
1
1
1
a__add
2
0
1
2
a__add
2
1
2
1
a__dbl
1
1
1
a__sqr
1
2
1
mark
1
0
0
0
3
nil
0
4
first
2
4
a__first
2
4
cons
2
0
add
2
1
2
1
sqr
1
2
1
a__terms
1
3
terms
1
3
s
1
1
0
a__first
2
1
0
2
0
0
recip
1
1
0
dbl
1
1
0
a__add
2
1
0
2
0
0
a__add
2
1
0
2
0
0
a__dbl
1
1
0
a__sqr
1
1
0
mark
1
0
0
0
0
nil
0
0
first
2
0
a__first
2
0
cons
2
0
add
2
1
0
2
0
0
sqr
1
1
0
a__terms
1
0
terms
1
0
mark
0
0
a__dbl
0
0
mark
cons
X1
X2
cons
mark
X1
X2
a__first
0
X
nil
a__terms
N
cons
recip
a__sqr
mark
N
terms
s
N
a__sqr
s
X
s
a__add
a__sqr
mark
X
a__dbl
mark
X
mark
recip
X
recip
mark
X
a__sqr
X
sqr
X
mark
nil
nil
mark
s
X
s
mark
X
a__add
X1
X2
add
X1
X2
a__dbl
s
X
s
s
a__dbl
mark
X
mark
terms
X
a__terms
mark
X
a__add
s
X
Y
s
a__add
mark
X
mark
Y
a__terms
X
terms
X
mark
first
X1
X2
a__first
mark
X1
mark
X2
mark
add
X1
X2
a__add
mark
X1
mark
X2
a__dbl
X
dbl
X
a__first
X1
X2
first
X1
X2
mark
sqr
X
a__sqr
mark
X
a__first
s
X
cons
Y
Z
cons
mark
Y
first
X
Z
mark
dbl
X
a__dbl
mark
X
a__add
0
X
mark
X
a__sqr
0
0
a__sqr
s
X
a__sqr
mark
X
a__sqr
s
X
a__add
a__sqr
mark
X
a__dbl
mark
X
mark
s
X
mark
X
a__add
s
X
Y
mark
X
a__add
s
X
Y
a__add
mark
X
mark
Y
mark
add
X1
X2
mark
X1
mark
add
X1
X2
a__add
mark
X1
mark
X2
mark
sqr
X
a__sqr
mark
X
true
a__add
2
1
a__terms
1
1
mark
1
1
mark
1
1
s
1
0
1
a__first
2
0
2
1
recip
1
0
1
dbl
1
1
1
a__add
2
1
2
1
a__dbl
1
1
1
a__sqr
1
2
1
0
0
3
nil
0
4
a__dbl
1
0
first
2
4
a__first
2
4
cons
2
0
add
2
1
2
1
sqr
1
2
1
a__terms
1
3
a__sqr
1
2
1
terms
1
3
s
1
1
0
a__first
2
1
0
2
0
0
recip
1
1
0
dbl
1
1
0
a__add
2
1
0
2
0
0
a__dbl
1
1
0
a__sqr
1
1
0
0
0
0
nil
0
0
a__dbl
1
0
first
2
0
a__first
2
0
cons
2
0
add
2
1
0
2
0
0
sqr
1
1
0
a__terms
1
0
a__sqr
1
1
0
terms
1
0
mark
sqr
X
a__sqr
mark
X
mark
0
0
a__dbl
0
0
mark
cons
X1
X2
cons
mark
X1
X2
a__first
0
X
nil
a__terms
N
cons
recip
a__sqr
mark
N
terms
s
N
a__sqr
s
X
s
a__add
a__sqr
mark
X
a__dbl
mark
X
mark
recip
X
recip
mark
X
a__sqr
X
sqr
X
mark
nil
nil
mark
s
X
s
mark
X
a__add
X1
X2
add
X1
X2
a__dbl
s
X
s
s
a__dbl
mark
X
mark
terms
X
a__terms
mark
X
a__add
s
X
Y
s
a__add
mark
X
mark
Y
a__terms
X
terms
X
mark
first
X1
X2
a__first
mark
X1
mark
X2
mark
add
X1
X2
a__add
mark
X1
mark
X2
a__dbl
X
dbl
X
a__first
X1
X2
first
X1
X2
mark
sqr
X
a__sqr
mark
X
a__first
s
X
cons
Y
Z
cons
mark
Y
first
X
Z
mark
dbl
X
a__dbl
mark
X
a__add
0
X
mark
X
a__sqr
0
0
mark
sqr
X
a__sqr
mark
X
false
NaTT
certifiable-1.6