java fast input
// this program gives you fast input, especially for competitive programming
import java.util.*;
import java.io.*;
public class PutYourClassNameHere {
static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
static StringTokenizer st;
public static void main(String[] args) throws IOException{
// write your code here
}
static String next() throws IOException {
while (st == null || !st.hasMoreTokens())
st = new StringTokenizer(readLine());
return st.nextToken();
}
static long readLong() throws IOException {
return Long.parseLong(next());
}
static int readInt() throws IOException {
return Integer.parseInt(next());
}
static double readDouble() throws IOException {
return Double.parseDouble(next());
}
static char readCharacter() throws IOException {
return next().charAt(0);
}
static String readLine() throws IOException {
return br.readLine().trim();
}
}
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