[백준] 1152 단어의 개수 (Java)

/*
 * Author : Jeonghun Cho
 * Date : December 6, 2019
 * https://www.acmicpc.net/problem/1152
 */
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;
 
public class Main {
 
    public static void main(String[] args) throws IOException{
        // TODO Auto-generated method stub
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StringTokenizer st = new StringTokenizer(br.readLine());
        System.out.println(st.countTokens());
        br.close();
    }
 
}