Letters Q and F
Little Lev is learning how to draw letters Q
and F
. Initially, he has a white grid of size . Then he will draw several letters of one of the following two shapes:
Lev will not rotate or mirror these two shapes. Every time he draws a new letter, he will choose a position for the letter inside the grid and paint all cells of the shape black. Lev will only draw letters in such a way that before drawing all black cells of the letter are white — that is, he will never paint a cell twice.
You are given the final coloring of the grid. Count the number of letters Q
and letters F
drawn by Lev.
Input
The first line contains two integers and — the height and the width of the grid (; ).
The next lines contain characters each, denoting the final state of the grid. A white cell is denoted by '.
', a black cell is denoted by '#
'.
It is guaranteed that the grid is a valid result of Lev's drawing.
Output
Print two integers — the number of letters Q
and the number of letters F
drawn by Lev, respectively.
Examples
Note
Illustration for the fourth example test: