import java.io.*;

class Assert {
    static void check(boolean e) {
        if (!e) {
            throw new Error();
        }
    }
}

class Scanner {

    StreamTokenizer in;

    Scanner(InputStream is) {
        in = new StreamTokenizer(new BufferedReader(new InputStreamReader(is)));
        in.resetSyntax();
        in.whitespaceChars(0, 32);
        in.wordChars(33, 255);
    }

    String next() {
        try {
            in.nextToken();
            Assert.check(in.ttype == in.TT_WORD);
            return in.sval;
        } catch (IOException e) {
            throw new Error(e);
        }
    }

    int nextInt() {
        return Integer.parseInt(next());
    }
}

public class Main {

    PrintWriter out;
    Scanner in;

    void solve() {
        int n = in.nextInt();
        int a = in.nextInt() + in.nextInt();
        int b;
        for (int i = 1; i < n; i++) {
            b = in.nextInt() + in.nextInt();
            out.print(a + b / 10);
            a = b % 10;
        }
        out.print(a);
    }

    void run() {
        in = new Scanner(System.in);
        out = new PrintWriter(System.out);
        try {
            solve();
        } finally {
            out.close();
        }
    }

    public static void main(String[] args) {
        new Main().run();
    }

}

I tried it without exceptions, and I got TLE.
try this test :

3
1 0
8 1
9 1

Try using java.util.Scanner and remove the two first classes.

Edited by author 28.03.2011 20:08