import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.StringTokenizer;public class GraphInput{ public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String inputLine = br.readLine(); String token = " "; //token delimiter StringTokenizer st = new StringTokenizer(inputLine,token); int m = Integer.parseInt(st.nextToken()); int n = Integer.parseInt(st.nextToken()); // take care u cant call this repeatedly // use st.hasMoreTokens() for doing in a loop }}