백준 2738 행렬 덧셈

n,m=map(int, (input().split()))
list_1 = []
list_2 = []
for i in range(n):
    list_1.append(list(map(int, input().split())))
for i in range(n):
    list_2.append(list(map(int, input().split())))
ans=[]
for i in range(n):
    tmp = []
    for j in range(m):
        tmp.append(list_1[i][j]+list_2[i][j])
    ans.append(tmp)
for i in ans:
    print(*i)