test.py

def solution(xs):
    fat = 0
    fiber = 0
    carbs = 0
    for x in xs:
        if re.search('FAT', x):
            fat += 1
        elif re.search('FIBER',x):
            fiber += 1
        else:
            carbs += 1
        #print(fat, fiber, carbs)
        if fat + fiber + carbs < 3:
            print(0)
        elif fat >= 2 or fiber >= 2 or carbs >= 2:
            if fat >= 2:
                fat -= 2
                if fiber != 0:
                    fiber -= 1
                elif carbs != 0:
                    carbs -= 1
                else: 
                    fat -= 1

            if fiber >= 2:
                fiber -= 2
                if fat != 0:
                    fat -= 1
                elif carbs != 0:
                    carbs -= 1
                else: 
                    fiber -= 1

            if carbs >= 2:
                carbs -= 2
                if fat != 0:
                    fat -= 1
                elif fiber != 0:
                    fiber -= 1
                else:
                    carbs -= 1
         #   print(fat, fiber, carbs)
            print(1)
        else: 
            print('0')
    print('------------------')