import java.lang.*;

/**
 * Sample for formatted output conversion.
 */
class PrintfSample {

  /**
   * Do it.
   */
  public void doIt() {
    for (int j = 1; j <= 9; j++) {
      System.out.printf("%d:", j);
      for (int i = 1; i <= 9; i++) {
        System.out.printf(" %3d", i*j);
      }
      System.out.println();
    }
  }

  public static void main(String args[]) {
    PrintfSample sample = new PrintfSample();
    sample.doIt();
  }
}