text: import numpy as np
  n, m, p = map(int,input().split())
  arrp1 = np.array([input().split() for _ in range(n)],int)
  arrp2 = np.array([input().split() for _ in range(m)],int)
  print(np.concatenate((arrp1, arrp2), axis = 0))
  
  
  
  