public boolean instant_win(){
        if(this.dievalue1!=4&&this.dievalue2!=4&&this.dievalue3!=4)
            return false;
        else if(this.dievalue1!=5&&this.dievalue2!=5&&this.dievalue3!=5)
            return false;
        else if(this.dievalue1!=6&&this.dievalue2!=6&&this.dievalue3!=6)
            return false;
        else
            return true;
    }