# coding: utf-8
# Your code here!

input_line = input()
Line = input_line.split()
Line = [int(s) for s in Line]

N = Line[0]+1
M = Line[1]+1

sheet = [[0 for i in range(M)] for j in range(N)]

# print(sheet)

input_line = input()
Line = input_line.split()

if "+" == Line[0]:
    Line[0] = "0"
elif "*" == Line[0]:
    Line[0] = "1"

Line = [int(s) for s in Line]

a = 0
for i in Line:
    sheet[0][a] = i
    a += 1

for i in range(N-1):
    input_line = input()
    sheet[i+1][0] = int(input_line)

if sheet[0][0] == 0:
    for b in range(N):
        for c in range(M):
            sheet[b][c] = sheet[b][0] + sheet[0][c]
elif sheet[0][0] == 1:
    for b in range(N):
        for c in range(M):
            sheet[b][c] = sheet[b][0] * sheet[0][c]

# print(sheet)

for i in range(N-1):
    answer = ""
    # print(sheet[i+1])
    for b in range(M-1):
        # print(sheet[i+1][b+1])
        answer += " "+str(sheet[i+1][b+1])
    print(answer[1:])