#include <iostream>
#include <string>
#include <algorithm>
#include <vector>
#include <iomanip>
#include <cmath>
#include <stdio.h>
#include <queue>
#include <deque>
#include <cstdio>
#include <set>
#include <map>
#include <bitset>
#include <stack>
#include <cctype>
using namespace std;
string s[330];
int main() {
	int h, w;
	cin >> h >> w;
	for (int i = 0; i < h; i++) {
		cin >> s[i];
	}
	int ans[3] = {};
	for (int i = 0; i < w; i++) {
		int co = 0;
		for (int j = 0; j < h; j++) {
			if (s[j][i] == 'o') {
				if (j % 2 == 0) {
					co++;
					co %= 3;
				}
				else {
					co += 2;
					co %= 3;
				}
			}
		}
		ans[co]++;
	}
	if (ans[1] % 2 == 0 && ans[2] % 2 == 0) {
		cout << "Second" << endl;
	}
	else {
		cout << "First" << endl;
	}
}