multidimensional array Length: Sales Table Size

In this problem, you will create a program that reads a sales table into a 2D array, retrieves the number of rows and columns, calculates the total number of cells, and displays the result to standard output.

Learning Objective: Get row and column count of 2D array

Get the number of rows (stores) and columns (months) from a sales table, and calculate total cells.

Input

Line 1: Number of stores n (1-3) and months m (1-3)
Following lines: Sales data for m months for each store

Output

Rows: [row count]
Columns: [column count]
Total cells: [rows x columns]

Example

Input:

2 3
100 150 120
80 90 110

Output:

Rows: 2
Columns: 3
Total cells: 6