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():
    data = sys.stdin.read()
    raw_lines = data.split("\n")

    lines = []                                   #чистимо рядочки від \r
    for l in raw_lines:
        clean_line = l.rstrip("\r")
    lines.append(clean_line)

    tree_lines = []
    for line in lines:
        if line == "": 
            break
        tree_lines.append(line)

    print("Expert zo zoo to vie.")
    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.")


if __name__ == "__main__":
    main()