#include <stdio.h>

int main( int argv, char argc[] )
{
	int x_res, y_res, i, j, max_x, max_y;
	char	ptype[10];
	int color_depth;
	unsigned char new_value, max_value;

	scanf("%s",ptype);
	scanf("%d %d",&x_res,&y_res);
	scanf("%d",&color_depth);
	max_value=0;
	max_x = 0;
	max_y = 0;
printf("%d, %d, %d\n", x_res, y_res, color_depth);
	for( i=0 ; i<x_res ; i++ )
	{
		for( j=0 ; j<y_res ; j++ )
		{
			new_value = getc(stdin);
			if( max_value < new_value )
			{
				max_value = new_value;
				max_x = j;
				max_y = i;
			}
		}
	}
//	if(max_value > 31)
	if(max_value > 3)
		printf("%d,%d\n",max_x,max_y);

printf("maxval %d\n",max_value);
	return 0;
}