nym py

n , m = list(map(int,input().split(" ")))
a = []
b = []
for i in range(n):
    a.append(input())
for i in range(m):
    b.append(input())

for i in b:
    c = a.count(i)
    if c == 0:
        print("-1")
        continue 
            
    for n,j in enumerate(a):
        
        if i == j :
            print(n+1,end=" ")
        
    print()