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#include <fstream>
using namespace std;
long long n,m,k,i,j,l,p,r[95],d[95][15][95];
int main()
{
ifstream f("arbori.in");
ofstream g("arbori.out");
f>>n>>m>>k;
for(i=0; i<m; i++)
for(j=1; j<=n; j++)
{
d[1][i][j]=1;
}
for(l=2; l<=n; l++)
{
for(i=0; i<m; i++)
{
p=i-1;
if(p<0) p+=m;
for(j=l-1; j>=1; j--)
{
if(i||(l-1)/j>=m) d[l][i][j]=d[l-j][p][j]*d[j][(k+m-1)%m][1];
else d[l][i][j]=0;
d[l][i][j]+=d[l][i][j+1];
}
}
}
g<<d[n][k][1];
return 0;
}