#include <iostream>
using namespace std;
void main()
{
char a = '@';
int b = (int)a - 1;
cout << (char)b << endl;
system("pause");
}
#include <iostream>
using namespace std;
void main()
{
char a = '@';
int b = (int)a - 1;
cout << (char)b << endl;
system("pause");
}