row,col = [ int(x) for x in input().split() ] a =[] b =[] for x in range(row): #row行数 tmp = [ int(x) for x in input().split() ] a.append( tmp ) for x in range(row): tmp = [ int(x) for x in input().split()] b.append( tmp ) for x in range(row): for y in range(col): a[x][y] = a[x][y] + b[x][y] # x-x ,y -y for row in a: for ele in row: print(ele,end=" ") print() #换行 """ 3 3 1 2 3 1 2 3 1 2 3 1 2 3 4 5 6 7 8 9 Output 2 4 6 5 7 9 8 10 12 """