from typing import Sequence


def is_kadomatsu(height_seq: Sequence[int]) -> bool:
    if len(set(height_seq)) != 3:
        return False

    if max(height_seq) == height_seq[1] or min(height_seq) == height_seq[1]:
        return True
    return False

def main():
    c = list(input().split())
    question_idx = c.index("?")
    c_1 = c.copy()
    c_1[question_idx] = 1
    c_2 = c.copy()
    c_2[question_idx] = 4
    c_1 = list(map(int, c_1))
    c_2 = list(map(int, c_2))

    if is_kadomatsu(c_1):
        if is_kadomatsu(c_2):
            print(14)
        else:
            print(1)
    else:
        print(4)

if __name__ == "__main__":
    main()