#include <iostream>
#include <string>
#include <vector>
using namespace std;

int main() {
    int r, c, start;
    while (cin >> r >> c >> start, r || c || start) {
        vector<string> grid(r);
        for (int i = 0; i < r; ++i)
            cin >> grid[i];

        vector<vector<int> > visited(r, vector<int>(c, -1));
        int step = 0;
        int x = 0, y = start - 1;

        while (true) {
            if (x < 0 || x >= r || y < 0 || y >= c) {
                cout << step << " step(s) to exit" << endl;
                break;
            }
            if (visited[x][y] != -1) {
                cout << visited[x][y] << " step(s) before a loop of " << step - visited[x][y] << " step(s)" << endl;
                break;
            }
            visited[x][y] = step++;
            char dir = grid[x][y];
            if (dir == 'N') --x;
            else if (dir == 'S') ++x;
            else if (dir == 'E') ++y;
            else if (dir == 'W') --y;
        }
    }
    return 0;
}