package main import ( "bufio" "fmt" "os" "unicode" ) func main() { reader := bufio.NewReader(os.Stdin) res,_,_ := reader.ReadLine() m, s, n, o := 0, 0,0,0 for _, ch := range res { if ch = byte(unicode.ToLower(rune(ch))); ch >= 'a' && ch <= 'z' { ...