#include <iostream>

using namespace std;

int main()
{
    cout<<(int)'a'<<"\n";///afiseaza codul ASCII al literei a
    cout<<(int)'A'<<"\n";///afiseaza codul ASCII al literei A
    cout<<'a' - 'A'<<"\n";///se scad codurile ascii, adica 97-65 = 32

    cout<<(char)65<<"\n";

    char c;
    cin>>c;
    if(c>='A' && c<='Z')
        cout<<"litera mare\n";
    else
        if(c>='a' && c<='z')
            cout<<"litera mica\n";
        else
            if(c>='0' && c<='9')
                cout<<"cifra\n";
            else
                cout<<"alt caracter";


    return 0;
}