Bài 5: 

S = [4, 25, 7, 3, 9, 8, 13, 15, 12]
five = 0
four = 0
for i in S:
    if i % 5 == 0:
        five += 1
    if i % 4 == 1:
        four += 1
print(f'Co {five} so chia het cho 5 trong day so')
print(f'Co {four} so chia 4 du 1 trong day so')

Bài 6:

n = int(input('Nhap so luong phan tu: '))
a = list(map(int, input('Nhap cac phan tu trong mang: ').split()))
sum = 0
cnt = 0
for i in a:
    if i % 2 == 0:
        sum += i
        cnt += 1
print(f'Day so co {cnt} so chan va tong la {sum}')

`5.`

S=[4,25,7,3,9,8,13,15,12]
print(sum(1 for i in S if i%5==0))
print(sum(1 for i in S if i%4==1))

`6.`

a=list(map(int,input().split()))
d=0
s=0
for i in a:
    if i%2==0:
        s+=i
        d+=1
print(d)
print(s)