package correct
func Rot14(s string) (result string) {
for _, r := range s {
if r >= 'a' && r <= 'z' {
if r >= 'm' {
r -= 12
} else {
r += 14
}
} else if r >= 'A' && r <= 'Z' {
if r >= 'M' {
result += string(r)
return result