Номер1

a = list(map(int, input().split()))

k = 0

for i in a:

 if i <= 21:

   k += 1

print(k)

Номер2

a = list(map(int, input().split()))

k = 0

for i in a:

 if i < -9 and i > -100 and abs(i) // 10 % 2 == 1:

   k += i

print(k)

Номер3

a = list(map(int, input().split()))

mi = a[0]

last_otr = 0

for i in a:

 if i < mi:

   mi = i

 if i < 0:

   last_ort = i

print(3 * (last_otr + mi))

Номер4

a = list(map(int, input().split()))

ma = a[0]

for i in a:

 if i > ma:

   ma = i

for i in range(len(a)):

 a[i] /= ma

 print(a[i], end = ' ')

Номер5

a = list(map(int, input().split()))

a0 = a[0]

a1 = a[1]

a2 = a[2]

for i in range(3, len(a)):

 a[i - 3] = a[i]

a[len(a) - 1] = a2

a[len(a) - 2] = a1

a[len(a) - 3] = a0

print(*a)