lab7

import random
m, k = map(int, input().split())
R = [random.randint(-100, 0) for i in range(m)]
for i in range(m):
    if i != 0 and i % k == 0:
        print()
    print(R[i], end = " ")

n, k = map(int, input().split())
R = [random.randint(-10, 30) / 10 for i in range(n)]
for i in range(n):
    if i != 0 and i % k == 0:
        print()
    print(R[i], end = " ")