import numpy as np
def Swap(arr, start_index, last_index):
    arr[:, [start_index, last_index]] = arr[:, [last_index, start_index]]
n, x, y =map(int,input().split())
matrix = []
for i in range(n):
    matrix.append([int(j) for j in input().split()])
matrix[y - 1], matrix[x - 1] = matrix[x - 1], matrix[y - 1]
arr = np.array(matrix)
Swap(arr,x-1,y-1)
for i in range(n):print(*arr[i])