#include <bits/stdc++.h>
using namespace std;
const long long ml = 5e3 + 101;
const long long mo = 998244353;
long long n, m, k, ans, inv, mul;
long long dp[ml][ml];
inline long long read() {
  long long r = 0, f = 1;
  char c = getchar();
  while (!isdigit(c)) {
    if (c == '-') f = -1;
    c = getchar();
  }
  while (isdigit(c)) r = (r << 1) + (r << 3) + (c ^ 48), c = getchar();
  return r * f;
}
inline void wr(long long x) {
  if (x < 0) putchar('-'), x = -x;
  if (x > 9) wr(x / 10);
  putchar(x % 10 + '0');
}
inline void port(long long x, char s) {
  wr(x);
  putchar(s);
}
long long qpow(long long x, long long y) {
  long long res = 1;
  while (y) {
    if (y & 1) res = res * x % mo;
    x = x * x % mo;
    y >>= 1;
  }
  return res;
}
int main() {
  n = read(), m = read(), k = read();
  dp[0][0] = 1;
  for (long long i = 1; i <= k; i++) {
    for (long long j = 1; j <= i; j++)
      dp[i][j] =
          (dp[i - 1][j] * j % mo + dp[i - 1][j - 1] * (n - j + 1) % mo) % mo;
  }
  mul = inv = qpow(m, mo - 2);
  for (long long i = 1; i <= k; i++)
    ans = (ans + dp[k][i] * mul % mo) % mo, mul = (mul * inv) % mo;
  port(ans, '\n');
  return 0;
}
