public class TesteLength
{
  public static void main(String args[])
  {
    String frase=Entrada.leiaString("Digite algo");
    int x=0;
    while(x<frase.length()+1){
      int i=0;
      System.out.println();
      while(i<x)
      {
        System.out.print(" " + frase.charAt(i));
        i++;
      }
      x++;
    }
  }
}