S + 2L = 23
1 and 11
3 and 10
5 and 9
or
7 and 8
if the integers are >0
but if one can be <0
then
-1 and 12
-3 and 13
-5 and 14
-7 and 15
...
-101 and 62
....
and an infinite number of other solutions
you need more information to get a unique solution