#include <stdio.h>
#include <string.h>

int main() {
  int n = 0;
  int board[150][150];
  int counter = 0;
  int maxCounter = counter + n;
  int positionCounter = 0;

  scanf("%d", &n);

  if (n >= 1 && n <= 100) {

    if (n == 1) {
      scanf("%d", &board[0][0]);
      printf("Yay\n");
    } else {

      for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
          scanf("%d", &board[i][j]);
        }
      }

      int numberic[10] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
      int countNumbericHorizontal[10] = {0};
      int countNumbericVertical[10] = {0};
      int hasSameNumberInHorizontal = 0;
      int hasSameNumberInVertical = 0;

      for (int i = 0; i < n; i++) {

        // Set all counter to 0
        for (int k = 0; k < 10; k++) {
          countNumbericHorizontal[k] = 0;
          countNumbericVertical[k] = 0;
        }

        // Check Horizontal and Vertical
        for (int j = 0; j < n; j++) {
          for (int k = 0; k < n; k++) {
            if (k != j) {
              if (board[i][j] == board[i][k]) {
                countNumbericHorizontal[board[i][j]] += 1;
              }
              if (board[j][i] == board[k][i]) {
                countNumbericVertical[board[j][i]] += 1;
              }
            }

            // countNumbericHorizontal[board[i][j]] += 1;
            // countNumbericVertical[board[j][i]] += 1;
          }

          // board[i][j] to right
          // board[j][i] to bottom

        }

        // Check same number
        for (int k = 0; k < 10; k++) {
          if (countNumbericHorizontal[k] > 1) {
            hasSameNumberInHorizontal = 1;
          }

          if (countNumbericVertical[k] > 1) {
            hasSameNumberInVertical = 1;
          }
        }

        // printf("Horizontal: %d\n", hasSameNumberInHorizontal);
        // printf("Vertical: %d\n", hasSameNumberInVertical);
      }

      if (hasSameNumberInHorizontal || hasSameNumberInVertical) {
        printf("Nay\n");
      } else {
        printf("Yay\n");
      }
    }
  }

  return 0;
}