m,n= map(int,input().spilt())
matrix = []
valid = true

for  in range(m):
    row =[int(x)for x in row]
    except:
        valid = false
        break
    
    if len(row) !=n:
        valid = false
        break
    
    matrix.append(row)
    
    if not valid:
        print("Invalid input")
        else
        for i in range(m):
            for j in range(n):
                if matrix[i][j] %2 == 0;
                
                matrix[i][j]=0
            print(*matrix[i])