public class Histogram
{
  public static void main(String args[]){
    int scores[];
    
    // The actual length is revealed only here.
    scores = new int[7];
    
    scores[0] = 2;
    scores[1] = 7;
    scores[2] = 5;
    scores[3] = 4;
    scores[4] = 9;
    scores[5] = 6;
    scores[6] = 1;

    // Print histogram of the array
    for(int i = 0; i < scores.length; i++){
      printHistogram(scores[i]);
      System.out.println(" ["+scores[i]+"]");
    }
  }
  
  static void printHistogram(int s){
    for(int i = 0; i < s; i++)
      System.out.print("=");
  }
}