def solve():
    import sys
    input = sys.stdin.read
    data = input().strip().split()
    
    N = int(data[0])
    
    count_pigeons = {}
    for i in range(1, N + 1):
        print(f"? {i}")
        sys.stdout.flush()
        number_of_pigeons = int(input())
        
        if number_of_pigeons in count_pigeons:
            count_pigeons[number_of_pigeons].append(i)
        else:
            count_pigeons[number_of_pigeons] = [i]
    for pigeons, holes in count_pigeons.items():
        if len(holes) > 1:
            print(f"Yes {holes[0]} {holes[1]}")
            return
    print("No")
solve()