When r = 1, s can take 37 values
When r = 2, s can take 17 values
When r = 3, s can take 11 values
When r = 4, s can take 7 values
When r = 5, s can take 5 values
When r = 6, s can take 4 values
When r = 7, s can take 3 values
When r = 8, s can take 2 values
When r = 9, s can take 2 values
When r = 10, s can take 1 values
When r = 11, 12, 13 s can take one value each.
Totally, there are 92 values possible.
Correct Answer: 92 values