// A C++ program to illustrate Caesar Cipher Technique 
#include <iostream> 
using namespace std; 
 
// This function receives text and shift and 
// returns the encrypted text 
string encrypt(string text, int s) 
{ 
	string result = ""; 
 
	// traverse text 
	for (int i=0;i<text.length();i++) 
	{ 
		// apply transformation to each character 
		// Encrypt Uppercase letters 
		if (isupper(text[i])) 
			result += char(int(text[i]+s-65)%26 +65); 
 
	// Encrypt Lowercase letters 
	else
		result += char(int(text[i]+s-97)%26 +97); 
	} 
 
	// Return the resulting string 
	return result; 
} 
 
// Driver program to test the above function 
int main() 
{ 
	string text="Stay Home, and Stay Safe"; 
	int s = 7; 
	cout << "Text : " << text; 
	cout << "\nShift: " << s; 
	cout << "\nCipher: " << encrypt(text, s); 
	return 0; 
} 
 

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