package sum;

import java.math.BigInteger;

/**
 * @author Nikita Doschennikov (me@fymio.us)
 */
public class SumLongOctal {
    public static void main(String[] args) {
        long res = 0;
        for (String arg : args) {
            StringBuilder builder = new StringBuilder();
            for (char c : arg.toCharArray()) {
                if (!Character.isWhitespace(c)) {
                    builder.append(c);
                } else {
                    res += compute(builder.toString());
                    builder = new StringBuilder();
                }
            }
            res += compute(builder.toString());
        }
        System.out.println(res);
    }

    static long compute(String num) {
        if (num.isEmpty()) {
            return 0L;
        }

        if (num.endsWith("o") || num.endsWith("O")) {
            String oct = num.substring(0, num.length() - 1);

            BigInteger bi = new BigInteger(oct, 8);

            return bi.longValue();
        } else {
            return Long.parseLong(num);
        }
    }
}