pred
s
x
x
minus
x
0
x
minus
x
s
y
pred
minus
x
y
quot
0
s
y
0
quot
s
x
s
y
s
quot
minus
x
y
s
y
log
s
0
0
log
s
s
x
s
log
s
quot
x
s
s
0
2.2
log
s
s
x
quot
x
s
s
0
minus
x
s
y
minus
x
y
minus
x
s
y
pred
minus
x
y
quot
s
x
s
y
quot
minus
x
y
s
y
log
s
s
x
log
s
quot
x
s
s
0
quot
s
x
s
y
minus
x
y
true
log
s
s
x
log
s
quot
x
s
s
0
true
s
1
1
2
minus
2
1
0
log
1
1
0
pred
1
1
0
log
1
0
0
0
1
quot
2
1
1
minus
2
0
pred
1
0
quot
2
0
quot
0
s
y
0
pred
s
x
x
minus
x
s
y
pred
minus
x
y
quot
s
x
s
y
s
quot
minus
x
y
s
y
minus
x
0
x
log
s
s
x
quot
x
s
s
0
false
quot
s
x
s
y
quot
minus
x
y
s
y
true
s
1
1
2
minus
2
1
0
log
1
1
0
pred
1
1
0
log
1
0
0
0
1
quot
2
1
40651
minus
2
0
pred
1
0
quot
2
1
0
quot
0
s
y
0
pred
s
x
x
minus
x
s
y
pred
minus
x
y
quot
s
x
s
y
s
quot
minus
x
y
s
y
minus
x
0
x
quot
s
x
s
y
minus
x
y
false
minus
x
s
y
minus
x
y
true
s
1
1
2
minus
2
1
0
log
1
1
0
pred
1
1
0
log
1
0
0
0
1
quot
2
1
40651
minus
2
2
0
pred
1
0
quot
2
1
0
quot
0
s
y
0
pred
s
x
x
minus
x
s
y
pred
minus
x
y
quot
s
x
s
y
s
quot
minus
x
y
s
y
minus
x
0
x
minus
x
s
y
pred
minus
x
y
false
NaTT
certifiable-1.6