#include <fstream>

using namespace std;

ifstream in("arbori.in");
ofstream out("arbori.out");

int const NMAX = 90;

int n, m, k;
long long sol[1 + NMAX][1 + 10][1 + NMAX], res;

int aux(int a){
  int z = a % m;
  if(z < 0)
    z += m;
  return z;
}

int main()
{
  in >> n >> m >> k;
  in.close();

  for(int i = 0; i <= n; i++)
    sol[1][0][i] = 1;

  for(int i = 2; i <= n; i++){
    int x = aux(i - 1);
    sol[i][x][1] = 1;
    for(int j = 2; j <= n; j++){
      for(int k = 0; k < m; k++){
        res = 1;
        for(int l  = 0; l * j < i; l++){
          sol[i][k][j] += sol[i - j * l][aux(k - l)][j - 1] * res;
          res *= sol[j][aux(j-1)][j-1] + l;
          res /= (l + 1);
        }
      }
    }
  }

  out << sol[n][k][n - 1] << '\n';
  out.close();
  return 0;
}