Modulo operator produces incorrect results for values less than the divisor

Incorrect results are produced for  a and b:

```rego
package example

a = 1 % 3
b = 2 % 3
c = 3 % 3
d = 4 % 3
e = 5 % 3
f = 6 % 3
```

results in `{"example":{"a":0, "b":0, "c":0, "d":1, "e":2, "f":0}}`