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29 lines
382 B

package main
import (
"os"
"github.com/01-edu/z01"
)
func main() {
if len(os.Args) == 2 {
for _, r := range os.Args[1] {
if r >= 'a' && r <= 'z' {
if r >= 'a'+13 {
r -= 13
} else {
r += 13
}
} else if r >= 'A' && r <= 'Z' {
if r >= 'A'+13 {
r -= 13
} else {
r += 13
}
}
z01.PrintRune(r)
}
z01.PrintRune('\n')
}
}