a = int(input())
b = int(input())
lista = []
if a == 1 or a == 0:
    a += 1
for l in range(a, b + 1):
    cont = 0
    for p in range(1, l + 1):
        if l % p == 0:
            cont += 1
    if cont <= 2:
        lista.append(l)
        print(l)
print('primos: ', len(lista))

c95f8c43fbcc213cbd27fb4b8504c800bcfd9ce6
<mask token>

<mask token>
if a == 1 or a == 0:
    a += 1
for l in range(a, b + 1):
    cont = 0
    for p in range(1, l + 1):
        if l % p == 0:
            cont += 1
    if cont <= 2:
        lista.append(l)
        print(l)
print('primos: ', len(lista))

a = int(input())
b = int(input())
lista = []
if a == 1 or a == 0:
    a += 1
for l in range(a, b + 1):
    cont = 0
    for p in range(1, l + 1):
        if l % p == 0:
            cont += 1
    if cont <= 2:
        lista.append(l)
        print(l)
print('primos: ', len(lista))
