use std::io::Read;
use std::io::Write;

fn run() {
    let mut s = String::new();
    std::io::stdin().read_to_string(&mut s).unwrap();
    let mut it = s.trim().split_whitespace();
    let n: usize = it.next().unwrap().parse().unwrap();
    let m: usize = it.next().unwrap().parse().unwrap();
    let mut a = vec![(0usize, 0); n];
    for a in a.iter_mut() {
        a.0 = it.next().unwrap().parse().unwrap();
    }
    let q: usize = it.next().unwrap().parse().unwrap();
    let mut edge = vec![];
    for i in 0..q {
        let x = it.next().unwrap().parse::<usize>().unwrap() - 1;
        let v: usize = it.next().unwrap().parse().unwrap();
        if i > 0 {
            edge.push((a[x].1, i, a[x].0));
        }
        a[x] = (v, i);
    }
    for (a, s) in a {
        edge.push((s, q, a));
    }
    let w = std::mem::size_of::<usize>() * 8;
    let mut bit = vec![0usize; m / w + 1];
    bit[0] = 1;
    let mut stack = vec![(0, q, edge, bit)];
    let out = std::io::stdout();
    let mut out = std::io::BufWriter::new(out.lock());
    while let Some((l, r, e, mut bit)) = stack.pop() {
        let mid = (l + r) / 2;
        let mut left = vec![];
        let mut right = vec![];
        for (x, y, v) in e {
            if x <= l && r <= y {
                let q = v / w;
                let r = v % w;
                if r == 0 {
                    for i in (q..bit.len()).rev() {
                        bit[i] |= bit[i - q];
                    }
                } else {
                    for i in ((q + 1)..bit.len()).rev() {
                        let x = bit[i - q - 1];
                        let y = bit[i - q];
                        bit[i] |= (x >> (w - r)) | (y << r);
                    }
                    bit[q] |= bit[0] << r;
                }
                continue;
            }
            if l < mid {
                left.push((x, y, v));
            }
            if mid < r {
                right.push((x, y, v));
            }
        }
        if l + 1 == r {
            writeln!(out, "{}", (bit[m / w] >> (m % w)) & 1).ok();
        } else {
            stack.push((mid, r, right, bit.clone()));
            stack.push((l, mid, left, bit));
        }
    }
}

fn main() {
    run();
}