./Main.java:3: error: cannot find symbol
        Scanner scanner = new Scanner(System.in);
        ^
  symbol:   class Scanner
  location: class Main
./Main.java:3: error: cannot find symbol
        Scanner scanner = new Scanner(System.in);
                              ^
  symbol:   class Scanner
  location: class Main
./Main.java:5: error: cannot find symbol
        BigInteger[] dp = new BigInteger[n + 1];
        ^
  symbol:   class BigInteger
  location: class Main
./Main.java:5: error: cannot find symbol
        BigInteger[] dp = new BigInteger[n + 1];
                              ^
  symbol:   class BigInteger
  location: class Main
./Main.java:6: error: cannot find symbol
        dp[0] = new BigInteger("0");
                    ^
  symbol:   class BigInteger
  location: class Main
./Main.java:7: error: cannot find symbol
        dp[1] = new BigInteger("1");
                    ^
  symbol:   class BigInteger
  location: class Main
./Main.java:11: error: cannot find symbol
        BigInteger b = new BigInteger("7654321");
        ^
  symbol:   class BigInteger
  location: class Main
./Main.java:11: error: cannot find symbol
        BigInteger b = new BigInteger("7654321");
                           ^
  symbol:   class BigInteger
  location: class Main
8 errors

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