31562번: 전주 듣고 노래 맞히기 ↗

import sys
from math import sqrt, pi, sin, factorial, ceil, floor
from datetime import datetime, timedelta
# sys.setrecursionlimit(10**7)

BLANK = " "

# inp = input
inp = lambda : sys.stdin.readline().rstrip()
mii = lambda x = BLANK : [*map(int,inp().split(x))]
mfi = lambda x = BLANK : [*map(float,inp().split(x))]
ii = lambda : int(inp())
fi = lambda : float(inp())
p = print
def gcd(a, b): return gcd(b, a % b) if b > 0 else a
def lcm(a, b): return a * b // gcd(a, b)

def solve():
    n, m = mii()

    d = {}
    for _ in range(n):
        n, name, *l = inp().split()

        s = "".join(l)[:3]

        if d.get(s, "NO") == "NO":
            d[s] = name
        else:
            d[s] = "?"

    for _ in range(m):
        l = inp().split()
        s = "".join(l)

        p(d.get(s, "!"))

if __name__ == "__main__":
    tc = 1
    for t in range(1, tc+1):
        ret = solve()