Scanner sc = new Scanner(System.in);
    
            Scanner sc1 = new Scanner(System.in);
            System.out.println("달러 및 엔화를 입력하시오!!");
            
            final double dollar1 = 1200;
            final double yen1 = 1500;
            
            int won = sc1.nextInt();
            
            double dollar = won*dollar1;
            double yen = won*yen1;
            
            System.out.println("달러" + "원은" + "$" + dollar + "입니다.");
            System.out.println("엔화" + "원은은" + "¥" + yen + "입니다");
            
            
            
            
            for(int i = 0; i < 5; i++) {
            
            Scanner sc12 = new Scanner(System.in);
            System.out.println("달러와 엔화를 구하시오");
            
            final double asd = 1300;
            final double yon = 1700;
            
            double won2 = sc1.nextInt();
            
            double dollar12 = won2*asd;
            double yen12 = won2*yon;

            }
            System.out.println("달러는"+ "ㅁ" +  dollar12 + "원입니다.");
            System.out.println("엔화는" + "ㄴ" + yen12 + "원입니다.");
            
             //위 "달러는"+ "ㅁ" +  dollar12 + "원입니다." <<여기서 doller12 가 에러 뜨는데..어떻게 수정할까요?
                    "엔화는" + "ㄴ" + yen12 + "원입니다." << 여기 yen12 가 에러 뜨는데..어떻게 수정할까요?
    }            
}