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834 B

package main
import (
"fmt"
"os"
"github.com/01-edu/z01"
)
func main() {
if len(os.Args) != 2 || os.Args[1] == "" {
z01.PrintRune('\n')
return
}
letters := []rune(os.Args[1])
switch letters[0] {
case 'a', 'e', 'i', 'o', 'u', 'A', 'E', 'I', 'O', 'U':
fmt.Print(os.Args[1] + "ay\n")
default:
start := firstNotVowel(letters)
if start == 0 {
fmt.Println("No vowels")
} else {
fmt.Print(string(letters[start:]) + string(letters[:start]) + "ay\n")
}
}
}
func firstNotVowel(letters []rune) int {
index := 0
for i := 0; i < len(letters); i++ {
if letters[i] == 'a' || letters[i] == 'e' || letters[i] == 'i' || letters[i] == 'o' || letters[i] == 'u' ||
letters[i] == 'A' || letters[i] == 'E' || letters[i] == 'I' || letters[i] == 'O' || letters[i] == 'U' {
return index
}
index++
}
return 0
}