n = 0 
for i in range(len(number)):
    if number[i] == 1:
        n += 1
print(n)

n = 0 
for i in range(len(number)):
    if i == 1:
         n += 1
print(n)

n = 0 
for i in range(number):
    if number[i]==1:
        n+=1
print(n)

n = 0 
for i in range(len(number)):
    n+=1
print(n)