There is a matrix of size n*n whose elements are either 0 or 1. Now your task is to find out that given a matrix of size m*m whose elements are also 0 or 1 whether it is a sub-matrix of the previous matrix.
输入解释
There is a matrix of size n*n whose elements are either 0 or 1. Now your task is to find out that given a matrix of size m*m whose elements are also 0 or 1 whether it is a sub-matrix of the previous matrix.
输出解释
If the second matrix is a sub-matrix of the first one, print “Yes” on a single line. Otherwise print “No”.