import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;

/*
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/**
 *
 * @author ViviX
 */
public class Adunare {
    public static void main(String[] args)throws IOException{
        BufferedReader br = new BufferedReader(new FileReader("adunare.in"));
        BufferedWriter bw = new BufferedWriter(new FileWriter("adunare.out"));
        int a = br.read();
        int b = br.read();
        int s = a + b;
        bw.write(s);
        br.close();
        bw.close();
    }
}