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#include <iostream>
#include <fstream>
#include <unordered_map>
using namespace std;
ifstream f("pod.in");
ofstream g("pod.out");
unordered_map<int,bool>imposibil;
const int mod=9901;
int n, m, k,x, auxk;
int dp[25];
void solve()
{
dp[0]=1;
for (int i=1; i<=n; ++i)
{
if (imposibil[i])
dp[i%auxk]=0;
else
{
dp[i%auxk]=0;
if (i-k>=0)
{
dp[i%auxk]+=dp[(i-k)%auxk];
}
dp[i%auxk]+=dp[(i-1)%auxk];
dp[i%auxk]%=mod;
}
imposibil.erase(imposibil.begin());
}
g << dp[n%auxk];
}
int main( )
{
f >> n >> m >> k;
for (int i=1; i<=m; ++i)
{
f >> x;
imposibil[x]=true;
}
auxk=k+1;
solve();
return 0;
}