//https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8 より
macro_rules! input {
    (source = $s:expr, $($r:tt)*) => {
        let mut iter = $s.split_whitespace();
        input_inner!{iter, $($r)*}
    };
    ($($r:tt)*) => {
        let s = {
            use std::io::Read;
            let mut s = String::new();
            std::io::stdin().read_to_string(&mut s).unwrap();
            s
        };
        let mut iter = s.split_whitespace();
        input_inner!{iter, $($r)*}
    };
}

macro_rules! input_inner {
    ($iter:expr) => {};
    ($iter:expr, ) => {};
    ($iter:expr, $var:ident : $t:tt $($r:tt)*) => {
        let $var = read_value!($iter, $t);
        input_inner!{$iter $($r)*}
    };
}

macro_rules! read_value {
    ($iter:expr, ( $($t:tt),* )) => {
        ( $(read_value!($iter, $t)),* )
    };
    ($iter:expr, [ $t:tt ; $len:expr ]) => {
        (0..$len).map(|_| read_value!($iter, $t)).collect::<Vec<_>>()
    };
    ($iter:expr, chars) => {
        read_value!($iter, String).chars().collect::<Vec<char>>()
    };
    ($iter:expr, usize1) => {
        read_value!($iter, usize) - 1
    };
    ($iter:expr, $t:ty) => {
        $iter.next().unwrap().parse::<$t>().expect("Parse error")
    };
}

//

use std::io::Write;

fn run() {
    let out = std::io::stdout();
    let mut out = std::io::BufWriter::new(out.lock());
    input! {
        n: usize,
        q: usize,
        p: [(i64, i64); n],
        ask: [i64; q],
    }
    let mut p = p;
    p.sort();
    let mut w = vec![0; n + 1];
    let mut wx = vec![0; n + 1];
    for i in (0..n).rev() {
        w[i] = w[i + 1] + p[i].1;
        wx[i] = wx[i + 1] + p[i].0 * p[i].1;
    }
    for x in ask {
        let k = match p.binary_search_by(|p| p.0.cmp(&x)) {
            Ok(k) => k,
            Err(k) => k,
        };
        let r = (w[k], wx[k]);
        let l = (w[0] - r.0, wx[0] - wx[k]);
        let ans = l.0 * x - l.1 + (r.1 - r.0 * x);
        writeln!(out, "{}", ans).ok();
    }
}

fn main() {
    run();
}