package timus;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;
/**
* Created by sherxon on 1/6/17.
*/
class FastReader {
BufferedReader bf;
StringTokenizer st;
public FastReader() {
bf=new BufferedReader(new InputStreamReader(System.in));
}
public String nextLine(){
String st="";
try {
st=bf.readLine();
} catch (IOException e) {
e.printStackTrace();
}
return st;
}
public String next(){
while (st==null || !st.hasMoreTokens()){
try {
st= new StringTokenizer(bf.readLine());
} catch (IOException e) {
e.printStackTrace();
}
}
return st.nextToken();
}
public int nextInt(){
return Integer.parseInt(next());
}
}