package main import . "fmt" func main() { var a,b,c,d int Scan(&a,&b,&c,&d) const ( n="null" t="tRue" r="Draw" ) s:=r switch { case a>c: s=n case c>a: s=t default: switch b*16+d { case 0x01,0x12,0x20: s=n case 0x10,0x21,0x02: s=t } } Println(s) }