#include <iostream>
using namespace std ;



int main()
{
   char ch1 = 'a' ;
   char ch2 = 97 ;
   ch1 = ch1 + 1 ;
   ch2 = ch2 + 1 ;
   cout << ch1 << " " << ch2 << endl ;
   cout << (int)ch1 << " " << (int)ch2 << endl ;

   return 0 ;
}