class JSample2_1{
  public static void main(String args[]){

    for (int i = 3; i <= 5; i++){
      int sum = 0;
      System.out.println(i + "の行開始");

      for (int j = 1; j <= 9; j++){
        if (i * j >= 10){
          break;
        }

        System.out.println(i + "*" + j  + "=" + (i * j));
      }

      System.out.println(i + "の行終了");
    }

    System.out.println("計算終了");
  }
}