#include <bits/stdc++.h>
using namespace std;

inline void incpair(pair<int, int> &a, pair<int, int> b) {
	a.first += b.first;
	a.second += b.second;
}

inline pair<int, int> addpair(pair<int, int> a, pair<int, int> b) {
	incpair(a, b);
	return a;
}

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);

	vector<string> grid;
	string line;
	set<pair<int, int>> boxes;
	set<pair<int, int>> walls;
	pair<int, int> robot;
	double x = 0;
	while (getline(cin, line) && !line.empty()) {
		double y = 0;
		for (char c : line) {
			switch (c) {
			case '#':
				walls.insert({x, y});
				break;
			case 'O':
				boxes.insert({x, y});
				break;
			case '@':
				robot = {x, y};
				break;
			}
			y++;
		}
		x++;
	}

	while (getline(cin, line) && !line.empty()) {
		for (char c : line) {
			pair<int, int> dir;
			switch (c) {
			case '<':
				dir = {0, -1};
				break;
			case '>':
				dir = {0, 1};
				break;
			case '^':
				dir = {-1, 0};
				break;
			case 'v':
				dir = {1, 0};
				break;
			}

			auto first = addpair(robot, dir);
			auto next = first;
			while (boxes.contains(next)) {
				incpair(next, dir);
			}
			if (walls.contains(next)) {
				continue;
			}
			robot = first;
			if (boxes.erase(first)) {
				boxes.insert(next);
			}
		}
	}

	int sum = 0;
	for (auto box : boxes) {
		sum += 100 * box.first + box.second;
	}

	cout << sum << '\n';
}