import java.io.*;

public class Test
{
  public static void main(String[] arg)
  {
    PrintStream flujoS = System.out;

    char car1 = 'A', car2 = 65, car3 = 0;

    car3 = (char)(car1 + 'a' - 'A');
    flujoS.println(car3 + " " + (int)car3); // a 97

    car3 = (char)(car2 + 32);
    flujoS.println(car3 + " " + (int)car3); // a 97
  }
}