#include<iostream>
#include<vector>
#include<algorithm>

using namespace std;
using ll = long long;

#include<map>

int main(){
    cin.tie(nullptr);
    ios::sync_with_stdio(false);

    int h,w;
    cin>>h>>w;
    vector<string> s(h);
    for(int i = 0;i<h;i++) cin>>s[i];
    int now = 0;
    for(int i = 0;i<w;i++){
        int a = 0;
        int b = 0;
        for(int j = 0;j<h;j++){
            if(s[j][i]=='.') continue;
            if(j%2==0) a++;
            else b++;
        }
        int mn = min(a,b);
        a -= mn;
        b -= mn;
        int c = a + b;
        if(c==0) continue;
        int g = 0;
        if(c%3==1) g = 1;
        else if(c%3==2) g = 2;
        if(b>0) g = 3 - g;
        g %= 3;
        now ^= g;
    }
    if(now==0) cout<<"Second\n";
    else cout<<"First\n";
    
}