try:
    m,n = map(int,input(),split())
    for _ in range(m):
        row = input(),split()
        if len(row)!=n:
            print("Invalid input")
            exit()
     out=[]
     for x in row;
      if not:x.istrip('-').isdigit();
                 print("Invalid input")
                 exit()
         num = int(x)
         out.append(0 if num % 2 == 0 else num)
         print(*out)
except:
      print("Invalid input")