import javax.xml.crypto.Data;
    import java.math.BigDecimal;
    import java.util.*;
    import java.io.*;

    public class Main {

        public static void main(String[] args) throws IOException {

            //入力
            //BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
            FastScanner sc = new FastScanner();
            int n = sc.nextInt();
            int[] a = new int[n], b = new int[n], c = new int[n];
            for (int i = 0; i < n; i++) a[i] = sc.nextInt();
            for (int i = 0; i < n; i++) b[i] = sc.nextInt();
            for (int i = 0; i < n; i++) c[i] = sc.nextInt();

            //出力
            Arrays.sort(a);
            Arrays.sort(b);
            Arrays.sort(c);
            long ans = 0;
            for (int i = 0; i < n; i++) {
                long s = linear1(a, b[i], 0, n);
                long t = n - linear2(c, b[i], 0, n);
                ans += s * t;
            }
            System.out.println(ans);

        }

        public static int linear1(int[] array, int k, int left, int right) {
            if (left + 1 == right) {
                if (array[left] < k) return right;
                else return left;
            }
            int mid = (left + right) / 2;
            if (array[mid] < k) return linear1(array, k, mid, right);
            else return linear1(array, k ,left, mid);
        }

        public static int linear2(int[] array, int k, int left, int right) {
            if (left + 1 == right) {
                if (array[left] <= k) return right;
                else return left;
            }
            int mid = (left + right) / 2;
            if (array[mid] <= k) return linear2(array, k, mid, right);
            else return linear2(array, k ,left, mid);
        }
    }


    class FastScanner {
        private final InputStream in = System.in;
        private final byte[] buffer = new byte[1024];
        private int ptr = 0;
        private int buflen = 0;
        private boolean hasNextByte() {
            if (ptr < buflen) {
                return true;
            }else{
                ptr = 0;
                try {
                    buflen = in.read(buffer);
                } catch (IOException e) {
                    e.printStackTrace();
                }
                if (buflen <= 0) {
                    return false;
                }
            }
            return true;
        }
        private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1;}
        private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;}
        public boolean hasNext() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; return hasNextByte();}
        public String next() {
            if (!hasNext()) throw new NoSuchElementException();
            StringBuilder sb = new StringBuilder();
            int b = readByte();
            while(isPrintableChar(b)) {
                sb.appendCodePoint(b);
                b = readByte();
            }
            return sb.toString();
        }
        public long nextLong() {
            if (!hasNext()) throw new NoSuchElementException();
            long n = 0;
            boolean minus = false;
            int b = readByte();
            if (b == '-') {
                minus = true;
                b = readByte();
            }
            if (b < '0' || '9' < b) {
                throw new NumberFormatException();
            }
            while(true){
                if ('0' <= b && b <= '9') {
                    n *= 10;
                    n += b - '0';
                }else if(b == -1 || !isPrintableChar(b)){
                    return minus ? -n : n;
                }else{
                    throw new NumberFormatException();
                }
                b = readByte();
            }
        }
        public int nextInt() {
            long nl = nextLong();
            if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException();
            return (int) nl;
        }
        public double nextDouble() { return Double.parseDouble(next());}
    }


Measured memory_bytes: 40236