The 28 students in Jungkook's class played matching games during PE class. We paired them up in groups of 5, subtracted the remaining students, then paired them in groups of 7, and subtracted the remaining students. Find how many students are excluded.
28 5 [OP_MOD] 28 28 5 [OP_MOD] [OP_SUB] 7 [OP_MOD] [OP_ADD]
var_a = 28
var_b = 5
var_c = var_a % var_b
var_d = 28
var_e = 28
var_f = 5
var_g = var_e % var_f
var_h = var_d - var_g
var_i = 7
var_j = var_h % var_i
var_k = var_c + var_j
print(int(var_k))