https://www.acmicpc.net/problem/1929import java.util.*;import java.io.*;public class Main { public static void main(String[] args) throws IOException{ BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(br.readLine()); int start = Integer.parseInt(st.nextToken()); int end = Integer.parseInt(st.nextTok..