import java.io.IOException;
import java.io.InputStream;
import java.util.*;

public class Main {

    public static void main(String[] args) {
        FastScanner fs = new FastScanner();
        int N = fs.nextInt();
        long[] A = new long[N];
        long[] B = new long[N];
        long[] C = new long[N];
        for (int i = 0; i < N; ++i) A[i] = fs.nextLong();
        for (int i = 0; i < N; ++i) B[i] = fs.nextLong();
        for (int i = 0; i < N; ++i) C[i] = fs.nextLong();

        Arrays.sort(A);
        Arrays.sort(C);

        long res = 0;
        for (int i = 0; i < N; ++i) {
            long key = B[i];
            int ng = -1;
            int ok = N;
            while (ok - ng > 1) {
                int mid = (ok + ng) / 2;
                if (key <= A[mid]) ok = mid;
                else ng = mid;
            }
            long tmpA = ok;

            ng = -1;
            ok = N;
            while (ok - ng > 1) {
                int mid = (ok + ng) / 2;
                if (key < C[mid]) ok = mid;
                else ng = mid;
            }
            long tmpC = N - ok;

            res += tmpA * tmpC;
        }

        System.out.println(res);
    }
}

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: 34860