java快读模板

import java.io.*;

public class Main{
    static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    static StreamTokenizer st = new StreamTokenizer(br);

    public static int nextInt() throws Exception{
        st.nextToken();
        return (int) st.nval;
    }

    public static void main(String[] args) throws Exception{

    }
}