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Symmetric Matrix
Please select a challenge
Problem Statement
Given a matrix of dimensions N x N. Print "YES"(without quotes) if it is a symmetric matrix, else print "NO"(without quotes).

First line contains N. Each of following N lines contains N integers each, denoting the matrix.

Print the required answer.

1 <= N <= 100 1 <= matrix_element <= 100

Sample Input
1 0 0
0 2 1
0 1 1

Sample Output


Dcoded By: Saurav Chandra

Solved By: 480

Maximum Marks: 12