What is the time complexity of this program in terms of the Big O$?$I need to see the step by step calculation.import java.util. Scanner;

public class SabaCounting $\{$

public static void main$($String$[]$ args$)\{$

try $($Scanner $SC=$ new Scanner$($

System.in$))\{$

System.out.print$("$Enter n value:"$)$;

int $n=sc.$nextInt$()$;

System.out.print$("$Enter m value:"$)$;

int $m=sc*$ nextInt $()$ ;

System.out.println$("$Enter $5$ lines of $5$ characters:"$)$;

sc$.$nextLine $()$;

int count $=0$;

char grid$[][]=$ new char$[n][m]$;

for $($int $i=0$; $i++=$try$=$try$==$try$=j=0$;$ji=0$;$ii$; $i++$