葛昊燃一小

李润婕

tree = 0
total = 0
while True:
    tree =  tree + 1
    if tree % 3!=0:
        total = total+tree
    print(tree)
    print(total)
    if total >= 120:
        print('第'+ str(tree) +'棵的时候摘够了')
        break