X,Y=map(int,input().split())

if X==0 and Y==0:
    print(4,flush=True)
    print(0,0,0,0,flush=True)

    t=int(input())

    if t==0:
        print(0,flush=True)
    else:
        print(1,flush=True)

if X==1 and Y==1:
    print(4,flush=True)
    print(1,1,1,1,flush=True)

    t=int(input())

    if t==1:
        print(1,flush=True)
    else:
        print(0,flush=True)

if X==0 and Y==1:
    print(4,flush=True)
    print(0,1,1,1,flush=True)

    t=int(input())

    if t==0:
        print(0,flush=True)
    else:
        print(1,flush=True)

if X==1 and Y==0:
    print(4,flush=True)
    print(1,0,0,0,flush=True)

    t=int(input())

    if t==1:
        print(1,flush=True)
    else:
        print(0,flush=True)