# 读取一行输入并分割成列表 numbers = list(map(int, input().split())) # 定义二维数组 a = [[0]*4 for _ in range(3)] # 将输入的整数填充到二维数组中 for i in range(3): for j in range(4): a[i][j] = numbers[i*4 + j] # 按照要求的格式输出数组 for row in a: print(' '.join(f'{num:4}' for num in row))