#include

using namespace std;

int main()

{ int a;

char c;

cin >> a;

while (cin >> c)
{
	if (c + a <=122)
	{
		c = c + a;
		cout <<(char)c;
	}
	else
	{
		c = (a+c-122) % 26 + 96;
		cout <<(char) c;
	}

}
return 0;

}```cpp