/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
{
Scanner sc
=new Scanner
(System.
in); int l,b,x,y;
l=sc.nextInt();
b=sc.nextInt();
char arr[][]=new char[l][b];
for(x=0;x<l;x++)
{
for(y=0;y<b;y++)
arr[x][y]=sc.next().charAt(0);
}
}
}
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