Sample (A+B)

import static java.util.Arrays.deepToString;

import java.io.*;
import java.util.*;

public class Sample {

    public static void main(String[] args) throws Exception {
        reader = new BufferedReader(new InputStreamReader(System.in));
        writer = new PrintWriter(System.out);

        int a = nextInt(), b = nextInt();
        writer.println(a + b);

        writer.close();
    }

    static BufferedReader reader;
    static PrintWriter writer;
    static StringTokenizer tok = new StringTokenizer("");

    static void debug(Object... o) {
        System.err.println(deepToString(o));
    }

    static String next() {
        while (!tok.hasMoreTokens()) {
            String w = null;
            try {
                w = reader.readLine();
            } catch (Exception e) {
                e.printStackTrace();
            }
            if (w == null)
                return null;
            tok = new StringTokenizer(w);
        }
        return tok.nextToken();
    }

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