Seokgi and Ye-seul want to buy a boat. It is said that Seokgi's money is short of 2,000 won, and Ye-seul's money is short of 1,500 won. If 3,500 won is left after buying a boat with the sum of money the two people have, how much money does Seokgi have?
2000 1500 [OP_ADD] 3500 [OP_ADD] 2000 [OP_SUB]
var_a = 2000
var_b = 1500
var_c = var_a + var_b
var_d = 3500
var_e = var_c + var_d
var_f = 2000
var_g = var_e - var_f
print(int(var_g))