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#include <iostream>
using namespace std;
const int N=20190330;
int s[N];
int main()
{
for( int i=0;i<=20190324;i++)
{
if(i<3) s[i]=1;
else s[i]+=s[i-1]+s[i-2]+s[i-3];
s[i]=s[i]%10000;
}
printf("%d",s[20190323]);
return 0;
}