import sys


def pocet_otazok(tree_lines):
    a = 0
    for line in tree_lines:
        if line.endswith("?"):
            a += 1
    return a


def pocet_odpovedi(tree_lines):
    a = 0
    for line in tree_lines:
        if not line.endswith("?"):
            a += 1
    return a


def main():
    print("Expert zo zoo to vie.")
    tree_lines = read_tree_lines()
    if tree_lines is None or len(tree_lines) == 0:
        print("Chybna databaza")
        return
    print("Pocet otazok:", pocet_otazok(tree_lines))
    print("Pocet odpovedi:", pocet_odpovedi(tree_lines))
    print("Odpovedajte 'a' pre prvu moznost alebo 'n' pre druhu moznost.")
    print(tree_lines[0])
    print("Koniec")


def read_tree_lines():
    tree_lines = []
    try:
        text = input().rstrip("\r")
        while text:
            tree_lines.append(text)
            text = input().rstrip("\r")
    except EOFError:
        return None  # нема порожнього роздільника
    return tree_lines

if __name__ == "__main__":
    main()