import itertools
containers = []
combos = {}
file = open('input.txt', 'r')

for line in file:
    containers.append(int(line))

count = 0
for i in range(2, len(containers)-1):
    for perm in itertools.combinations(containers, i):
        if sum(perm) == 150:
            count += 1
            combos.setdefault(i, 0)
            combos[i] += 1
print(count)
print(combos)