public static int[] multiplyPoly (int[] arr1) {
	int[] result = new int[13];
	for (int i = 0; i < result.length; i++) {
		result[i] = 0;
	}
	for (int i = 0; i < 11; i += 2) {
		for (int j = 1; j < 12; j += 2) {
            int bin = arr1[i] + arr1[j];
            if (bin > 0 && bin < 13) {
                result[bin - 1] += 1;
            } else {
            	result[0] += 1; //Garbage can
            }
		}		
	}
	return result;
}