题目来自此处

def main():
    seats = list(map(int,input().split()))
    count = 0
    for i in range(len(seats)):
        if seats[i] == 0:
            if (i ==0 or seats[i-1] == 0) and(i == len(seats)-1 or seats[i+1] == 0):
                count += 1
                seats[i] = 1
    print(seats)
    print(count)
if __name__ == "__main__":
    main()