#include <iostream>
using namespace std;

void Cipher(char *_Origin, int _Key);

void main()
{
	Cipher("CAT", 3);
	Cipher("CABBAGE", 3);
	Cipher("TEST", 8);
	Cipher("HELLO, WORLD!", 5);
}

void Cipher(char * _Origin, int _Key)
{
	int Size = 0;
	do	Size++;
	while (*(_Origin + Size) != '\0');
	char *Ciphered = new char[Size+1];

	for (int i = 0;i < Size;i++)
	{
		if (((int)*(_Origin + i)) < 65 || ((int)*(_Origin + i)) > 90)
		{
			Ciphered[i] = (int)*(_Origin + i);
		}
		else if (((int)*(_Origin + i)) + _Key > 90)
		{
			Ciphered[i] = ((int)*(_Origin + i)) + _Key - 26;
		}
		else
		{
			Ciphered[i] = ((int)*(_Origin + i)) + _Key;
		}
	}
	Ciphered[Size] = '\0';

	cout << Ciphered << endl;

	delete[] Ciphered;
}