https://www.acmicpc.net/problem/15552
import java.io.*;
import java.util.StringTokenizer;
class Main {
public static void main(String[] args) throws IOException {
BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
int t = Integer.parseInt(bf.readLine()); // 형변환
StringTokenizer st;
for (int i = 0; i < t; i++) {
st = new StringTokenizer(bf.readLine(), " ");
bw.write((Integer.parseInt(st.nextToken()) + Integer.parseInt(st.nextToken())) + "\n");
}
bf.close();
bw.flush();
bw.close();
}
}