Find the sum of the largest and the third smallest three-digit numbers that can be formed by using all even numbers greater than 1 and less than 7 once.
1 1 [OP_ADD] 7 1 [OP_SUB] [OP_LIST_EVEN] 3 [OP_LIST_GET_PERM] 1 [OP_LIST_MAX] 3 [OP_LIST_MIN] [OP_ADD]
var_a = 1
var_b = 1
var_c = var_a + var_b
var_d = 7
var_e = 1
var_f = var_d - var_e
list_a = []
if var_c%2!=0:
    for i in range(var_c+1, var_f+1, 2):
        list_a.append(i)
else:
    for i in range(var_c, var_f+1, 2):
        list_a.append(i)
var_g = 3
list_b = [str(i) for i in list_a]
list_b = list(itertools.permutations(list_b, var_g))
list_b = [''.join(num_list) for num_list in list_b]
list_b = [str_num for str_num in list_b if str_num[0] != '0']
list_b = [float(i) for i in list_b]
var_h = 1
list_c=list_b.copy()
list_c.sort()
var_i = list_c[-var_h]
var_j = 3
list_d=list_b.copy()
list_d.sort()
var_k = list_d[var_j-1]
var_l = var_i + var_k
print(int(var_l))