import java.io.*;
public class Main
{
public static void main(String[] args) throws IOException
{
StreamTokenizer in = new StreamTokenizer(new BufferedReader(new InputStreamReader(System.in)));
PrintWriter out = new PrintWriter(new OutputStreamWriter(System.out));
int a, b;
while(in.nextToken() != StreamTokenizer.TT_EOF)
{
a = (int)in.nval;
in.nextToken();
b = (int)in.nval;
out.println(a + b);
}
out.flush();
}
}
public class Main
{
public static void main(String[] args) throws IOException
{
StreamTokenizer in = new StreamTokenizer(new BufferedReader(new InputStreamReader(System.in)));
PrintWriter out = new PrintWriter(new OutputStreamWriter(System.out));
int a, b;
while(in.nextToken() != StreamTokenizer.TT_EOF)
{
a = (int)in.nval;
in.nextToken();
b = (int)in.nval;
out.println(a + b);
}
out.flush();
}
}