StreamSupport.stream(Spliterators.spliteratorUnknownSize(
   new Iterator<String>() {
    int n = 1;
    public boolean hasNext() {
     return n>0;
    }
    public String next() {
     String s="";
     try {
      for (;(n = System.in.read()) > -1;) 
       if (n>32) s+=(char)n; else if (s!="") break;
     } catch (Exception e) {}
     return s;
    }
   }
   , 16 ), false).skip(1).filter(b->b!="").mapToInt(Integer::parseInt).sorted().forEach(b->System.out.print(b+" "));

class Main {
    public static void main(String[] x) throws Exception {
        int b, n = 0, s = 0;
        while ((b = System.in.read()) > -1) n = b > 45 || (s += n) < 0 ? n * 10 + b - 48 : 0;
        System.out.print(s);
    }
}