import sys
from typing import List, Tuple

sys.setrecursionlimit(10 ** 6)

MOD = 998244353


def dbg(*args, **kwargs):
    print(*(repr(arg) for arg in args), *(f'{k}: {repr(v)}' for k, v in kwargs.items()),
          sep='; ', file=sys.stderr, flush=True)


def main():
    n = int(input())
    arr = []
    nz = []
    for i in range(n - 1):
        print('?', i, n - 1, flush=True)
        p = int(input())
        arr.append(p)
        if p != 0:
            nz.append(i)

    p1 = []
    for i in range(1, 10):
        if all(j % i == 0 and j // i < 10 for j in arr):
            p1.append(i)

    if len(p1) >= 2:
        if len(nz) < 2:
            print('!', -1, flush=True)
            return
        a, b = nz[0], nz[1]
        print('?', a, b, flush=True)
        pab = int(input())
        for i in p1:
            if arr[a] // i * arr[b] // i == pab:
                p1 = [i]
                break
    a = p1[0]
    print('!', ''.join(map(str, [a] + [i // a for i in arr[::-1]])), flush=True)


def _start():
    if (ret := main()) is not None:
        print(*ret) if isinstance(ret, List) or isinstance(ret, Tuple) else print(ret)


if __name__ == '__main__':
    _start()