#include <iostream>
#include <unordered_map>
#include <unordered_set>

#define map unordered_map
#define set unordered_set

using namespace std;

int main(int argc, char **argv) {

	int rowC;

	while (cin >> rowC) {
		string row;
		char best = -1;
		int x,y;
		set <char> found;
		for (int i=0; i<rowC; ++i) {
			cin >> row;
			for (string::size_type j = 0; j < row.length(); ++j) {
				if (found.find(row[j]) == found.end()) {
					y = i+1;
					x = j+1;
					best = row[j];
					found.insert(row[j]);
				}
			}
		}
		printf("%d %d %c\n", y, x, best);
	}

	return 0;
}