public class MyClass {
    public static void main(String args[]) {
      int N=150;
      int LastDigit, PreLastDigit, Addit;

      if(N<=0)
        System.out.println("Error");
      else
          {
            while(N>100) {
                LastDigit=N%10;
                Addit=N/10;
                PreLastDigit=Addit%10;

                while(Addit>0 && LastDigit>=PreLastDigit) { //proverka na neubivanie
                    LastDigit=Addit%10;
                    Addit/=10;
                    PreLastDigit=Addit%10;
                }

                if(Addit<=0)
                    System.out.print(N + " ");

                LastDigit=N%10;
                Addit=N/10;
                PreLastDigit=Addit%10;

                while(Addit>0 && LastDigit<=PreLastDigit) { //proverka na nevozrastanie
                    LastDigit=Addit%10;
                    Addit/=10;
                    PreLastDigit=Addit%10;
                }

                if(Addit<=0)
                    System.out.print(N + " ");

                N-=1;

            }
            while(N>0) { //vse chisla do 101
                System.out.print(N + " ");
                N-=1;
            }
          }
        }
}