#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define int __int128
#define FOR(i, a, b) for (int i = (a); i < int(b); ++i)
#define RFOR(i, a, b) for (int i = (b)-1; i >= int(a); --i)
#define rep(i, n) FOR(i, 0, n)
#define rep1(i, n) FOR(i, 1, int(n) + 1)
#define rrep(i, n) RFOR(i, 0, n)
#define rrep1(i, n) RFOR(i, 1, int(n) + 1)
#define all(c) begin(c), end(c)
const int MOD = 1000000007;

int dp[222][222];

// 引数は長さ
int rec(int a, int b) {
    int &res = dp[a][b];
    if (res != -1) return res;
    if (a == 1 || b == 1) res = 1;
    else res = rec(a, b - 1) + rec(a - 1, b);
    return res % MOD;
}

signed main(){
    memset(dp, -1, sizeof dp);
    signed n;
    cin >> n;
    int ans = 0;
    rep1(i, n - 1) rep1(j, n - 1) rep1(k, n - 1) {
        ans += rec(n - i, j) * rec(n - j, k) % MOD * rec(n - k, i) % MOD;
        ans %= MOD;
    }
    ans += rec(n - 1, n*2 - 1) * 3;
    ans %= MOD;
    cout << (signed)ans << endl;
}