^i^我有更换发动机宾馆房间很干净法国值噢v激动激动激动时广佛i发#include<bits/stdc++.h>
using namespace std;
unsigned long long dp[405][405];
int main(){
ios::sync_with_stdio(false);
int n;
cin>>n;
for(int i=1;i<=n;i++)dp[1][i]=dp[i][1]=1;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
{
if(i<j)dp[i][j]=dp[i][i];
else if(i==j)dp[i][j]=dp[i][j-1]+1;
else dp[i][j]=dp[i][j-1]+dp[i-j][j];
}
cout<<dp[n][n];
return 0;
}