Grid Coordinates

Read two numbers: rows and cols. Build a grid where each cell contains its position as r,c (row and column, starting from 0). Print each row by joining its items with spaces.

Example:

Input:

2
3

Output:

0,0 0,1 0,2
1,0 1,1 1,2

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3 available · costs 5 XP each

javascript

Output

Run your code to see the output here.