1.2 KB | 1253 chars
"""
[33639: Candy Store](https://www.acmicpc.net/problem/33639)
Tier: Bronze 2
Category: bruteforcing, implementation, string
"""
import sys
from math import sqrt, pi, sin, factorial, ceil, floor
from datetime import datetime, timedelta
SYS_INPUT = True
RECURSION_LIMIT = 10 ** 7
SET_RECURSION = False
BLANK = " "
if SET_RECURSION:
sys.setrecursionlimit(RECURSION_LIMIT)
inp = lambda : sys.stdin.readline().rstrip() if SYS_INPUT else input()
mii = lambda : [*map(int,inp().split())]
mfi = lambda : [*map(float,inp().split())]
ii = lambda : int(inp())
fi = lambda : float(inp())
isplit = lambda : inp().split()
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, q = mii()
l = [isplit() for _ in range(n)]
cnt = {}
d = {}
for i in range(n):
nickname = ""
for j in l[i]:
nickname += j[0]
cnt[nickname] = cnt.get(nickname, 0) + 1
d[nickname] = l[i]
queries = [inp() for _ in range(q)]
for query in queries:
if query in cnt:
if cnt[query] == 1:
print(*d[query])
else:
print("ambiguous")
else:
print("nobody")
if __name__ == "__main__":
tc = 1
for t in range(1, tc+1):
ret = solve()