N = int(input())
half = (N + 1) // 2
disp = N // 2 + 1


# 初手で真ん中を寸断する
if N % 2 == 1:
    print(1, half)
else:
    print(2, half)

while True:
    t = int(input())
    if t == 0 or t == 1:
        break
    k, x = map(int, input().split())
    if t == 2:
        break

    if x < half:
        x += disp
        print(k, x)
    else:
        x -= disp
        print(k, x)