row = raw_input().split(' ')
n = int(row[0])
k = int(row[1])
lower = 0
upper = n

response = ""
while(response!="exit"):
    q = (lower+upper)/2
    print "query", q
    
    response = raw_input()
    
        
    if(response == "broke"):
        k = k-1
        if ((upper - q)/float(2) <= 1) and ((q - lower)/float(2) <= 1):
            print "answer", (lower + upper)/2
            break
        upper = (lower + upper)/2

    elif(response == "survived"):
        if ((upper - q)/float(2) < 1) and ((q - lower)/float(2) <= 1):
            print "answer", (lower + upper)/2 + 1
            break
        lower = (lower + upper)/2