package main import( "fmt" ) func main(){ for{ var num int _,e := fmt.Scanf("%d",&num) if e!=nil{ break } slice := make([]int,num) for i:=0; i<num; i++{ fmt.Scanf("%d",&slice[i]) } var index int fmt.Scanf("%d",&index) if index>0{ fmt.Println(slice[num-index]) }else{ fmt.Println(0) } } }