#include <stdio.h>
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace atcoder;
using mint = modint1000000007;
using namespace std;
#define rep(i,n) for(int i=0;i<(n);i++)
#define Inf 1000000001

int main(){
	
	int n;
	cin>>n;
	
	vector<mint> dp(n+1,0);
	dp[0] = 1;
	
	for(int i=3;i<=n;i++){
		vector<mint> ndp(n+1,0);
		rep(j,n+1){
			rep(k,10000){
				int jj = j + k * i;
				if(jj>n)break;
				ndp[jj] += dp[j];
			}
		}
		swap(dp,ndp);
	}
	cout<<dp.back().val()<<endl;
	
	return 0;
}