./Main.java:3: error: cannot find symbol
    public static void main(String[] args) throws IOException {
                                                  ^
  symbol:   class IOException
  location: class Main
./Main.java:4: error: cannot find symbol
		Scanner sc = new Scanner(System.in);
		^
  symbol:   class Scanner
  location: class Main
./Main.java:4: error: cannot find symbol
		Scanner sc = new Scanner(System.in);
		                 ^
  symbol:   class Scanner
  location: class Main
3 errors

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