There are 5 boxes of 50 yellow balls each weighing 50 grams (g). There are 6 boxes of 60 white balls each weighing 45 grams (g). There are also 4 boxes of 40 blue balls each weighing 55 grams (g). All the empty boxes weigh the same. What is the color of the ball in the box with the lightest weight?
[OP_LIST_SOL] yellow white blue [OP_LIST_EOL] [OP_LIST_SOL] 50 50 [OP_MUL] 45 60 [OP_MUL] 55 40 [OP_MUL] [OP_LIST_EOL] 1 [OP_LIST_MIN] [OP_LIST_INDEX] [OP_LIST_POP] [OP_LIST_GET]
var_a = 'yellow'
var_b = 'white'
var_c = 'blue'
list_a= []
if "/" in str(var_c):
    var_c = eval(str(var_c))
list_a.append(var_c)
if "/" in str(var_b):
    var_b = eval(str(var_b))
list_a.append(var_b)
if "/" in str(var_a):
    var_a = eval(str(var_a))
list_a.append(var_a)
list_a.reverse()
var_d = 50
var_e = 50
var_f = var_d * var_e
var_g = 45
var_h = 60
var_i = var_g * var_h
var_j = 55
var_k = 40
var_l = var_j * var_k
list_b= []
if "/" in str(var_l):
    var_l = eval(str(var_l))
list_b.append(var_l)
if "/" in str(var_i):
    var_i = eval(str(var_i))
list_b.append(var_i)
if "/" in str(var_f):
    var_f = eval(str(var_f))
list_b.append(var_f)
list_b.reverse()
var_m = 1
list_c=list_b.copy()
list_c.sort()
var_n = list_c[var_m-1]
var_o = list_b.index(var_n)+1
var_p = list_a[var_o-1]
print(var_p)