#include <iostream>
#include <string>

using namespace std;

string shifr(string a, int key)
{
    for (int i = 0; i < a.length(); i++)
    {
        if ((a[i] >= 'A' && a[i] <= 'Z'))
        {
            a[i] = (a[i] - 'A' + key) % 26 + 'A' ;
        }

        if ((a[i] >= 'a' && a[i] <= 'z'))
        {
            a[i] = (a[i] - 'a' + key) % 26 + 'a';
        }
        if ((a[i] >= '0' && a[i] <= '9'))
        {
            a[i] = (a[i] - '0' + key) % 10 + '0';
        }
    }
    return a;
}

int main()
{
    string str; int k;
    cout << "Enter string - "; getline(cin, str);
    cout << "\nEnter key - "; cin >> k;

    str = shifr(str, k);
    cout << '\n' << str;

    system("pause");
    return 0;
}