import sys
from sys import stdin

N = int(stdin.readline())
"""
ans = -1

for loop in range(1,N+1):

    print ("? " + str(loop) , flush=True )

    cat = int(stdin.readline())
    ans = max( ans , cat )

    assert loop <= 600 or cat == -1


"""

for i in range(1,N+1):
    print ("!",i)