package main import ( "fmt" ) func main() { var p string for { n, _ := fmt.Scan(&p) if n == 0 { break } else { fmt.Printf("%s\n", checkPasswd(p)) } } } func checkPasswd(p string) string { hasA, hasa, has1, has_ := 0, 0, 0, 0 if len(p) < 8 { return "NG" } for _, c...