#9.57
s = input()

for i in range(len(s)):
    if s[i] == 'и' and i % 2 == 0:
        print(s[i])

#9.58
s = input()

for i in range(0, len(s) - 1, 4):
    print(s[i])
    print(s[i + 1])

#9.59
s = input()

result = 0
for i in range(len(s)):
    if s[i] == 'о':
        result += 1

print(result)

#9.60
s = input()

result = 0
for i in range(len(s)):
    if s[i] == ' ':
        result += 1

print(result)

#9.61
s = input()
c = input()

result = 0
for i in range(len(s)):
    if s[i] == c:
        result += 1

print(result)

#9.62
s = input()

result = 0
for i in range(len(s)):
    if s[i] == 'а':
        result += 1

print(result / len(s) * 100, '%')

#9.63
s = input()

result1 = 0
result2 = 0
for i in range(len(s)):
    if s[i] == '+':
        result1 += 1
    if s[i] == '*':
        result2 += 1

print('+:', result1)
print('*:', result2)

#9.64
s = input()

result = 0
for i in range(len(s) - 1):
    if s[i] == s[i + 1]:
        result += 1

print(result)