Q=[]
mod=int(input())
dig=int(input())
JK=[]
def INPUT():
for i in range(mod):
Qi=[]
Qi_np1=[]
for j in range(dig):
k=int(input())
Qi.append(k)
for j in range(dig):
k=int(input())
Qi_np1.append(k)
Q.append([Qi,Qi_np1])
def process():
for m in range(mod):
JK_row=[]
for d in range(dig):
q=Q[m][0][d]
q_np1=Q[m][1][d]
j=0
k=0
if q==1:
j=-1
if q_np1==1:
k=0
else:
k=1
else:
k=-1
if q_np1==1:
j=1
else:
j=0
JK_row.append([j,k])
JK.append(JK_row)
def OUTPUT():
for m in range(mod):
print(JK[m])
INPUT()
# print(Q)
process()
OUTPUT()
