packing.py

import sys

# input is just command line: R S T L
# e.g. 1 2 0 1 == 1 R, 2 S, 0 T, 1 L
# easy!

result = "no"
done = 0
minoes = sys.argv[1:]
# we're going to be unintelligent and hard-code the cases!

for elem in minoes:
    if (int(elem) == 4):
        result = "yes"
        done = 1

    elif (int(elem) == 3):
        result = "no"
        done = 1

print(minoes)
if not done:
    check = (minoes[0] == '2') + (minoes[1] == '2') + (minoes[3] == '2')
    if (check > 1):
        result = "yes"
    elif (minoes[3] == '2') and (minoes[2] == '0'):
        result = "yes"
# this SHOULD cover all the cases, because there can't be a 1 1 1 1 case due to the T block
# if I consider cases other cases where T = 0 then I've already covered everything else

print(result)