N = int(input())

if N==1:
    print(1,1)
    exit()
elif N==2:
    print(2,1)
    exit()

def outin(k,x):
    print(k,x)
    t = int(input())
    if t < 3:
        exit()
    k,x = map(int,input().split())
    return (k,x)

M = (N+1)//2

k,x = outin(1 if N%2 else 2, M)
while 1:
    if x > M:
        x -= M
        if N%2==0: x -= 1
    else:
        x += M
        if N%2==0: x += 1
    k,x = outin(k,x)