/// Zengy Manga
#pragma GCC optimize("O3")
#pragma GCC optimize ("unroll-loops")
#pragma GCC target("avx,avx2,fma")
using namespace std;
#include "bits/stdc++.h"
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/rope>
using namespace __gnu_pbds;
using namespace __gnu_cxx;
using ll = long long;
using ii = pair<int, int>;
template<typename T>
using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
#define pb push_back
#define F first
#define S second
#define f(i, a, b) for(int i = a; i < b; i++)
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
#define sz(x) (int)(x).size()
#define mp make_pair
#define popCnt(x) (__builtin_popcountll(x))
#define int ll
const int N = 1e6+5, LG = log2(N) + 1, MOD = 1e9 + 7;
const double PI = acos(-1);
vector<int> v;
string str;
vector<int> ans;
const string pat = "((())#";
int dp[1005][1005][7];
int solve(int index, int cbs, int match) {
if(cbs < 0)return 0;
if(!index)
return (cbs==0&&match==5);
int&ret=dp[index][cbs][match];
if(~ret)
return ret;
int nmatch1=match, nmatch2=match;
if(nmatch1!=5)nmatch1=(pat[match]=='(' ? match + 1 : (match == 3 ? match : 1));
if(nmatch2!=5)nmatch2=(pat[match]==')' ? match + 1 : 0);
ret = solve(index-1,cbs+1,nmatch1);
ret += solve(index-1,cbs-1,nmatch2);
if(ret>=MOD)ret -= MOD;
return ret;
}
void doWork() {
int n;
cin >> n;
memset(dp,-1,sizeof dp);
cout << solve(n,0,0) << '\n';
}
int32_t main() {
#ifdef ONLINE_JUDGE
ios_base::sync_with_stdio(0);
cin.tie(0);
#endif // ONLINE_JUDGE
int t = 1;
// cin >> t;
while (t--) {
doWork();
}
return 0;
}
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