#include<stdio.h>
int main()
{
int n,m,i,j;
char a[10][10];
for(i=1;i<=n;i++)
{
for(j=1;j<=m;j++)
{
}
for(i=1;i<=n;i++)
{
for(j=1;j<=m;j++)
{
}
return 0;
}
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