n, m = input().split()

group_A = []
group_B = []

for i in range(int(n)):
    group_A.append(input())
for i in range(int(m)):
    group_B.append(input())
		
for elementB in group_B:   
    
    indices= [str(i+1) for i, elementA in enumerate(group_A) if elementA == elementB]
    if indices:
        print(" ".join(indices))    
    else:
        print("-1")