#include <bits/stdc++.h>

using namespace std;

int main() {
    int n;
    int m;
    int k,r=0;
    cin >> n >> m >> k;
    for(int a0 = 0; a0 < n; a0++){
        string row;
        cin >> row;
        int x=row.length();
        for(int i=0;i<x;i++)
        {
            if(row[i]=='%')
                r++;
        }
        // Write Your Code Here
    }
    for(int a0 = 0; a0 < k; a0++){
        int i1;
        int j1;
        int i2;
        int j2;
        cin >> i1 >> j1 >> i2 >> j2;
        // Write Your Code Here
    }
    if(r==0)
        cout<<0<<'\n';
    else
        cout<<1<<'\n';
    // Write Your Code Here
    return 0;
}