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  1. import java.util.Scanner;
  2.  
  3. public class Main
  4. {
  5. static public void main(String[] argv) {
  6. Scanner scanner = new Scanner(System.in);
  7. String input = scanner.next();
  8. int sum = input.chars().map(c -> Character.digit(c, 10)).sum();
  9. System.out.println(sum);
  10. }
  11. }
  12.  
Success #stdin #stdout 0.25s 2841600KB
stdin
1234567890123456789012345678901234567890123456789012345678901234567890
stdout
315