#include <stdio.h>

#define MAX 50

void ispisi(float a[][MAX], int m, int n){
	int i, j;
	float zbir;
	for(i=0; i<m; i++){
		for(j=0; j<n; j++){
			zbir=0;
			if(i>0)
				zbir+=a[i-1][j];
			if(i<m-1)
				zbir+=a[i+1][j];
			if(j>0)
				zbir+=a[i][j-1];
			if(j<n-1)
				zbir+=a[i][j+1];
			if(zbir==a[i][j])
				printf("(%d %d %.2f)\n",i,j,a[i][j]);
		}
	}
}

int main(){
	FILE *in=NULL;
	int m, n, i, j;
	float a[MAX][MAX];
	
	in = fopen("matrica.txt", "r");
	if(in==NULL){
		printf("-1\n");
		return 1;
	}

	fscanf(in, "%d %d", &m, &n);
	for(i=0; i<m; i++)
		for(j=0; j<n; j++)
			fscanf(in, "%f", &a[i][j]);	

	ispisi(a,m,n);

	fclose(in);
	return 0;
}