// #[rustfmt::skip]
// pub mod lib {pub use ac_library::*;pub use itertools::{join, Combinations, Itertools, MultiProduct, Permutations};pub use proconio::{input,marker::{Chars, Usize1}};pub use std::{cmp::*, collections::*, mem::swap};pub use regex::Regex;pub use superslice::Ext;pub use num_traits::{One, ToPrimitive, FromPrimitive, PrimInt};#[macro_export]macro_rules! degg {($($val:expr),+ $(,)?) => {println!("[{}:{}] {}",file!(),line!(),{let mut parts = Vec::new();$(parts.push(format!("{} = {:?}", stringify!($val), &$val));)+parts.join(", ")})}}}

// use lib::*;

use std::collections::{HashMap, HashSet};

use proconio::{input, marker::Usize1};



fn main() {
    input! {
        x: usize,
        y: usize,
        n: usize,
        uv: [(usize, usize); n]
    }
    
    for &(u, v) in uv.iter() {
        if u == 0 {
            let v = (v - 1) % y + 1;
            println!("{}", v);
            continue;
        }
        let uu = (u - 1) / y;
        let vv = (v - 1) / y;
        
        if uu == vv {
            let ans = u.abs_diff(v);
            println!("{}", ans);
            continue;
        }

        let uu = (u - 1)  % y + 1;
        let vv = (v - 1) % y + 1;
        println!("{}", uu + vv);
    }
}