use std::cmp::Reverse;
use std::collections::BinaryHeap;

fn main() {
    let mut sc = Scanner::new();
    let n = sc.usize();
    let m = sc.usize();

    let a = sc.vec::<usize>(n);
    let b = sc.vec::<usize>(n);
    let mut ab = a.into_iter().zip(b.into_iter()).enumerate().collect::<Vec<_>>();

    ab.sort_by_key(|&(_, (a,b))| (Reverse(a), Reverse(b)));

    let mut g = BinaryHeap::new();
    let mut mma = BinaryHeap::new();
    for _ in 0..m {
        let t = sc.u8();
        let c = sc.usize();
        if t == 0 { g.push(c); }
        else { mma.push(c); }
    }

    let mut ok = vec![false; n];
    for &(i,(a , b)) in ab.iter() {
        if a > b { continue }
        if !g.is_empty() && g.peek().unwrap() >= &a {
            g.pop();
            ok[i] = true;
        }
    }

    ab.sort_by_key(|&(_, (a,b))| Reverse(b));
    for &(i,(a , b)) in ab.iter() {
        if ok[i] { continue; }
        if !mma.is_empty() && mma.peek().unwrap() >= &b {
            mma.pop();
            ok[i] = true;
        }
    }

    ab.sort_by_key(|&(_, (a,b))| (Reverse(a), Reverse(b)));
    for &(i,(a , b)) in ab.iter() {
        if ok[i] { continue; }
        if !g.is_empty() && g.peek().unwrap() >= &a {
            g.pop();
            ok[i] = true;
        }
    }

    println!("{}", ok.iter().filter(|&&x| !x).count());
}


struct Scanner { s : std::collections::VecDeque<String> } #[allow(unused)] impl Scanner { fn new() -> Self { use std::io::Read; let mut s = String::new(); std::io::stdin().read_to_string(&mut s).unwrap(); Self { s : s.split_whitespace().map(|s| s.to_string()).collect() } } fn reload(&mut self) -> () { use std::io::Read; let mut s = String::new(); std::io::stdin().read_to_string(&mut s).unwrap(); self.s = s.split_whitespace().map(|s| s.to_string()).collect(); } fn usize(&mut self) -> usize { self.input() } fn usize1(&mut self) -> usize { self.input::<usize>() - 1 } fn isize(&mut self) -> isize { self.input() } fn i32(&mut self) -> i32 { self.input() } fn i64(&mut self) -> i64 { self.input() } fn i128(&mut self) -> i128 { self.input() } fn u8(&mut self) -> u8 { self.input() } fn u32(&mut self) -> u32 { self.input() } fn u64(&mut self) -> u64 { self.input() } fn u128(&mut self) -> u128 { self.input() } fn edge(&mut self) -> (usize, usize) { (self.usize1(), self.usize1()) } fn edges(&mut self, m : usize) -> Vec<(usize, usize)> { let mut e = Vec::with_capacity(m); for _ in 0..m { e.push(self.edge()); } e } fn wedge<T:std::str::FromStr>(&mut self) -> (usize, usize, T) { (self.usize1(), self.usize1(), self.input()) } fn wedges<T:std::str::FromStr>(&mut self, m : usize) -> Vec<(usize, usize, T)> { let mut e = Vec::with_capacity(m); for _ in 0..m { e.push(self.wedge()); } e } fn input<T>(&mut self) -> T where T: std::str::FromStr { if self.s.is_empty() { self.reload(); } if let Some(head) = self.s.pop_front() { head.parse::<T>().ok().unwrap() } else { panic!() } } fn tuple<T, U>(&mut self) -> (T, U) where T: std::str::FromStr, U: std::str::FromStr { (self.input(), self.input()) } fn vec<T>(&mut self, n: usize) -> Vec<T> where T: std::str::FromStr { if self.s.is_empty() { self.reload(); } self.s.drain(..n).map(|s| s.parse::<T>().ok().unwrap() ).collect::<Vec<T>>() } fn nvec<T>(&mut self) -> Vec<T> where T: std::str::FromStr { let n : usize = self.input(); self.vec(n) } fn chars(&mut self) -> Vec<char> { let s : String = self.input(); s.chars().collect() } fn bytes(&mut self) -> Vec<u8> { let s : String = self.input(); s.bytes().collect() } }