#실습1번
import numpy as np
vec = np.array([2,4,6,8,9,15])
two_dim_vec = vec.reshape(2,3)
print(two_dim_vec)

#실습2번
import numpy as np
A = np.array([[2, 3], [5, 6]])
B = np.array([4,5])
C = np.linalg.inv(A)
ans = C.dot(B)
print(ans)

#실습3번
import numpy as np
s=np.array(list(map(int,input().split())))
n=int(input())
m=24//n
s=s.reshape(m,n)
for i in range(m):
    print(max(s[i]),min(s[i]))