If the sum of the weights of Jiho, Sanghyeon, and Seungju is greater than 280 and the remainder is 30 when divided by 70, what is the minimum sum of the weights of the three people?
280 30 [OP_ADD]
var_a = 280
var_b = 30
var_c = var_a + var_b
print(int(var_c))