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

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

	string line;
	vector<vector<pair<int, int>>> m;
	while (getline(cin, line) && !line.empty()) {
		istringstream l(line);
		char c;
		vector<pair<int, int>> mm;
		while (l >> c) {
			mm.push_back({c - '0', c == '9' ? 1 : 0});
		}
		m.push_back(mm);
	}

	int xm = m.size(), ym = m[0].size();

	for (int i = 9; i > 0; i--) {
		for (int x = 0; x < xm; x++) {
			for (int y = 0; y < ym; y++) {
				auto &[n, c] = m[x][y];
				if (n != i) {
					continue;
				}
				vector<pair<int, int>> xxyy = {
					{x - 1, y}, {x + 1, y}, {x, y - 1}, {x, y + 1}};
				for (auto &[xx, yy] : xxyy) {
					if (xx < 0 || yy < 0 || xx >= xm || yy >= ym) {
						continue;
					}
					auto &[nn, cc] = m[xx][yy];
					if (nn == n - 1) {
						cc += c;
					}
				}
			}
		}
	}

	int sum = 0;
	for (auto &mm : m) {
		for (auto &[n, c] : mm) {
			if (n == 0) {
				sum += c;
			}
		}
	}
	cout << sum << '\n';
}