class Matrix {

        @Override
            public boolean equals(Object obj) {
            return false;
    }

        @Override
           public String toString() {
           return "string";
    }

        private int[][] arr;

        public Matrix(int m, int n) {
            arr = new int[m][n];


        }
        public Matrix(Matrix m){

        }

        int get(int x, int y) {
            return arr[x][y];
        }
        int m = m.getRowCount();
        int n = n.getColumnCount():

        void put(int x, int y, int value) {
            arr[x][y] = value;
        }
    }