n,m=[int(x) for x in input().split()] matr=[[int(x) for x in input().split()]for k in range(n)] k1,k2=[int(x) for x in input().split()] c=[] #исходные данные считаны for j in range(m): c.append(matr[k1][j]) for j in range(m): matr[k1][j]=matr[k2][j] for j in range(m): matr[k2][j]=c[j] for i in range(n): for j in range(m): print(f"{matr[i][j]:3}",end=" ") #3 позиции на число print()