코드
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;
public class Main {
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
int N = Integer.parseInt(br.readLine());
StringTokenizer st;
StringBuilder sb = new StringBuilder();
for (int i = 0; i < N; i++) {
st = new StringTokenizer(br.readLine());
sb.append(Integer.parseInt(st.nextToken()) + Integer.parseInt(st.nextToken()))
.append("\n");
}
System.out.println(sb);
}
}