import java.util.*;

public class StringAppendTest {

  public static void main(String[] args) throws Exception {
    
    int n = Integer.parseInt(args[0]);

    String s = "a";

    for(int i = 0; i < n; i++) s += "a";

    System.out.println("length(s) = " + s.length());
  }
}

/* What's wrong

StringAppendTest 10000   ->  0.374 seconds
StringAppendTest 100000  -> 17.860 seconds
StringAppendTest 1000000 ->  seconds
    
*/