import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
public class Main {
public static void main(String[] args) throws IOException {
BufferedReader in=new BufferedReader(new InputStreamReader(System.in));
String s=in.readLine();
String[] ss=s.split(" ");
System.out.println(Integer.parseInt(ss[0])+Integer.parseInt(ss[1]));
}
}
IO流从窗口输入 ，并处理读入的字符串
