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#include <stdio.h>
#include <time.h>
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include <map> 
#include <string>
#include <vector>  
#include <iostream> 
#include <sstream> 
#include <queue>
#include <algorithm>
#include <assert.h>


using namespace std;

#define ll long long
#define PB 		push_back
#define FOR(a,start,end) 	for(int a=int(start); a<int(end); a++)
#define INF 		INT_MAX
#define SORT(a) 	sort(a.begin(),a.end()) 
#define CL(a,x) 		memset(a,x,sizeof(a))
#define REP(a,x)	for(int a=0;a<x;a++)
#define REP1(a,x)	for(int a=1;a<=x;a++)
#define MP 		make_pair



typedef vector<ll>     vi;
typedef pair<ll, ll>     pii;
typedef vector<string> vs;
typedef vector<pii> vii;
typedef vector<vector<ll> > vvi;
typedef vector<vector<string> > vvs;
typedef vector<pair<string, string> > vss;
typedef pair<string, string> pss;
typedef pair<ll, pii> ppii;
typedef vector<ppii> vppii;
typedef vector<vector<pii> > vvii;
typedef vector<vvi> vvvi;


ll n, k, a, b, z,m,d;
vi vk, va, vb;
vector<vector<bool> > vvp;
vector<bool> vg;
vii vk1, vk2,vkx;
vvi vvk;
vvii vvkx;
vs vp;
string w;
int main() {
	//	freopen("c:\\wojtek\\uva\\pa\\debug\\ele167.in", "rt", stdin);

	cin >> n>>m>>k;
	vp.clear();

	for (int i = 0; i < n; i++) {
		cin >> w;
		vp.push_back(w);
	}
	va.clear();
	vb.clear();
	for (int i = 0; i < k; i++) {
		cin >> a >> b;
		va.push_back(a);
		vb.push_back(b);
	}
	vk1.clear();
	vk2.clear();
	vkx.assign(m, MP(0,0));
	vvkx.assign(n, vkx);
	vk1.push_back(MP(0, 0));
	vg.assign(m, false);
	vvp.assign(n, vg);
	vvp[0][0] = true;
	while ((int)vk1.size() > 0) {
		for (int i = 0; i < vk1.size(); i++) {
			pii p = vk1[i];
			if ((p.first > 0) && (vp[p.first - 1][p.second] == '.')&&(!vvp[p.first-1][p.second])) {
				vvkx[p.first - 1][p.second] = p;
				vvp[p.first - 1][p.second] = true;
				vk2.push_back(MP(p.first - 1, p.second));
			}
			if ((p.second > 0) && (vp[p.first][p.second-1] == '.') && (!vvp[p.first][p.second-1])) {
				vvkx[p.first][p.second - 1] = p;
				vvp[p.first][p.second-1] = true;
				vk2.push_back(MP(p.first, p.second-1));
			}
			if ((p.first <n-1) && (vp[p.first + 1][p.second] == '.') && (!vvp[p.first + 1][p.second])) {
				vvkx[p.first + 1][p.second] = p;
				vvp[p.first + 1][p.second] = true;
				vk2.push_back(MP(p.first + 1, p.second));
			}
			if ((p.second < m - 1) && (vp[p.first][p.second+1] == '.') && (!vvp[p.first][p.second+1])) {
				vvkx[p.first][p.second + 1] = p;
				vvp[p.first][p.second+1] = true;
				vk2.push_back(MP(p.first, p.second+1));
			}
		}
		vk1.swap(vk2);
		vk2.clear();
	}
	a = 0;
	b = 0;
	pii p0 = MP(0, 0);
	pii p = MP(n - 1, m - 1);
	while (p != p0) {
		if ((vvkx[p.first][p.second].first < p.first) || (vvkx[p.first][p.second].second < p.second))
			a++;
		else
			b++;
		p = vvkx[p.first][p.second];
	}
	z = 1000000000000000000ll;
	d = 0;
	for (int i = 0; i < k; i++) {
		if (va[i] * a + vb[i] * b < z) {
			z = va[i] * a + vb[i] * b;
			d = 1;
		}
		else if (va[i] * a + vb[i] * b == z) {
			d++;
		}
	}


	cout << z<<" "<<d << endl;
	return 0;

}