Hoseok ate 8 apples, 5 pears, 12 tangerines, 17 lemons, and 10 watermelons. Find the number of lemons eaten minus the number of pears eaten.
17 5 [OP_SUB]
var_a = 17
var_b = 5
var_c = var_a - var_b
print(int(var_c))