There is a square-shaped park. It is said that the perimeter of a park is the largest multiple of 4 and is less than 35. If Seong-hoon tries to walk 35 kilometers (km) around the perimeter of the park, how many more kilometers (km) must he walk after one lap?
35 4 [OP_MOD]
var_a = 35
var_b = 4
var_c = var_a % var_b
print(int(var_c))