use std::io::Write;
use std::collections::*;

type Map<K, V> = BTreeMap<K, V>;
type Set<T> = BTreeSet<T>;
type Deque<T> = VecDeque<T>;

fn main() {
    input!(p: u64, k: u64, t: u64);
    let pow = |mut r: u64, mut n: u64| -> u64 {
        let mut t = 1 % p;
        while n > 0 {
            if n & 1 == 1 {
                t = t * r % p;
            }
            r = r * r % p;
            n >>= 1;
        }
        t
    };
    let ans = pow(p - k, t);
    println!("{}", ans);
}

fn test() {
    let n = 11usize;
    let mut dp = vec![1];
    for i in 1..n {
        let mut next = vec![0; dp.len() + 1];
        for (j, dp) in dp.iter().enumerate() {
            next[j] += *dp;
            next[j + 1] += i * *dp;
        }
        dp = next;
        println!("{}: {:?}", i + 1, dp);
        let mut a = dp.clone();
        for a in a.iter_mut() {
            *a %= i + 1;
        }
        println!("{:?}", a);
    }
}

// ---------- begin input macro ----------
// reference: https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8
#[macro_export]
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_export]
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_export]
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, bytes) => {
        read_value!($iter, String).bytes().collect::<Vec<u8>>()
    };
    ($iter:expr, usize1) => {
        read_value!($iter, usize) - 1
    };
    ($iter:expr, $t:ty) => {
        $iter.next().unwrap().parse::<$t>().expect("Parse error")
    };
}
// ---------- end input macro ----------