Java Stdin and Stdout I

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    import java.io.*;
    import java.util.*;
    
    public class Solution {
    
        public static void main(String[] args) {
            /* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */
            Scanner scanner = new Scanner(System.in);
            while (scanner.hasNext()) {
                System.out.println(scanner.nextInt());
            }
            scanner.close();
        }
    }