from collections import *
from itertools import *
from functools import cache, partial
from pprint import pprint
import sys
from typing import Any, Final

try:
    from icecream import ic
except ImportError:  # Graceful fallback if IceCream isn't installed.
    ic = lambda *a: None if not a else (a[0] if len(a) == 1 else a)  # noqa
debug = partial(print, file=sys.stderr)
dpprint = partial(pprint, stream=sys.stderr)
sys.setrecursionlimit(10**6)
MOD = 998244353

alpha = input()

# used = [False] * 26

print(f"? {alpha}{alpha}")
for _ in range(25):
    _, query = input().split()
    char = query[1]
    # used[ord(char) - ord("a")] = True
    print(f"? {char}{alpha}")