Seung-a had a group assignment with 5 friends and chose 1 leader, 1 secretary, and 2 presenters. Find the number of cases in which Seung-ah becomes the leader.
5 1 [OP_SUB] 1 1 1 [OP_SUB] [OP_ADD] 2 [OP_ADD] [OP_PERM] 2 2 [OP_PERM] [OP_DIV]
var_a = 5
var_b = 1
var_c = var_a - var_b
var_d = 1
var_e = 1
var_f = 1
var_g = var_e - var_f
var_h = var_d + var_g
var_i = 2
var_j = var_h + var_i
var_k = 1
var_c = int(var_c)
var_j = int(var_j)
for i, elem in enumerate(range(var_j)):
    var_k = var_k * (var_c-i)
var_l = 2
var_m = 2
var_n = 1
var_l = int(var_l)
var_m = int(var_m)
for i, elem in enumerate(range(var_m)):
    var_n = var_n * (var_l-i)
var_o = var_k / var_n
print(int(var_o))