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

inline bool isDigit(char ch) {
	return ch >= '0' && ch <= '9';
}

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

	vector<string> lines;
	do {
		string line;
		getline(cin, line);
		if (line.empty())
			break;
		lines.push_back(line);
	} while (!cin.eof());

	int ret = 0;

	for (int r = 0; r < lines.size(); r++) {
		auto& line = lines[r];
		int cend = line.size();
		for (int c = 0; c < cend; c++) {
			char ch = line[c];
			if (ch == '.' || isDigit(ch))
				continue;
			vector<int> rs = {r}, cs = {c};
			if (r > 0) {
				rs.push_back(r - 1);
				if (r < lines.size() - 1)
					rs.push_back(r + 1);
			}
			if (c > 0) {
				cs.push_back(c - 1);
				if (c < cend - 1)
					cs.push_back(c + 1);
			}
			for (int rr : rs) {
				for (int cc : cs) {
					auto& lo = lines[rr];
					if (isDigit(lo[cc])) {
						int ci = cc, cf = cc;
						while (ci > 0 && isDigit(lo[ci - 1]))
							ci--;
						while (cf < cend - 1 && isDigit(lo[cf + 1]))
							cf++;
						ret += stoi(lo.substr(ci, cf - ci + 1));
						for (int i = ci; i <= cf; i++)
							lo[i] = '.';
					}
				}
			}
		}
	}

	cout << ret << '\n';
}