def sum_s(ind):
    ans = 0
    for i in range(n):
        ans += a[i][ind]
    return ans / n

def swap_s(s1, s2):
    for i in range(n):
        a[i][s1], a[i][s2] = a[i][s2], a[i][s1]

n, m = map(int,input('Введите размер матрицы(кол-во \
строк и столбцов): ').split())
a = [0] * n
print('Введите построчно матрицу: ')
for i in range(n):
    a[i] = list(map(int, input().split()))


for i in range(m - 1):
    for j in range(m - i - 1):
        if sum_s(j) > sum_s(j + 1):
            swap_s(j, j + 1)

for i in range(n):
    for j in range(m):
        print(a[i][j], end = ' ')
    print()