Submission

Score: 100

User: un8qe_x3

Problemset: นักบินอวกาศ

Language: cpp

Time: 0.002 second

Submitted On: 2026-04-09 20:46:32

#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define ld long double
#define ar array
#define pii pair<int, int>
#define pll pair<ll, int>
#define fi first
#define sc second
#define INF (ll)1e18
#define MOD (ll)1000000007
#define frv while(true)

#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;

template <typename T>
using oset = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

#define vt vector
#define vi vt<int>
#define vb vt<bool>
#define pb push_back
#define eb emplace_back
#define all(c) (c).begin(), (c).end()
#define rall(c) (c).rbegin(), (c).rend()
#define sz(x) (int)(x).size()

#define F_OR(i, a, b, s) for (int i = (a); (s) > 0 ? i < (b) : i > (b); i += (s))
#define F_OR1(e) F_OR(i, 0, e, 1)
#define F_OR2(i, e) F_OR(i, 0, e, 1)
#define F_OR3(i, b, e) F_OR(i, b, e, 1)
#define F_OR4(i, b, e, s) F_OR(i, b, e, s)
#define GET5(a, b, c, d, e, ...) e
#define F_ORC(...) GET5(__VA_ARGS__, F_OR4, F_OR3, F_OR2, F_OR1)
#define rep(...) F_ORC(__VA_ARGS__)(__VA_ARGS__)
#define each(x, a) for (auto& x : a)
#define inp(t,a) t a;cin>>a

template <class T>
bool umin(T& a, const T& b) {
    return b < a ? a = b, 1 : 0;
}
template <class T>
bool umax(T& a, const T& b) {
    return a < b ? a = b, 1 : 0;
}

template<typename A, typename B> ostream& operator<<(ostream &os, const pair<A, B> &p) { return os << '(' << p.first << ", " << p.second << ')'; }
template<typename T_container, typename T = typename enable_if<!is_same<T_container, string>::value, typename T_container::value_type>::type> ostream& operator<<(ostream &os, const T_container &v) { os << '{'; string sep; for (const T &x : v) os << sep << x, sep = ", "; return os << '}'; }
void dbg_out() { cerr << endl; }
template<typename Head, typename... Tail> void dbg_out(Head H, Tail... T) { cerr << ' ' << H; dbg_out(T...); }
#ifdef _DEBUG
#define dbg(...) cerr << "(" << #__VA_ARGS__ << "):", dbg_out(__VA_ARGS__)
#else
#define dbg(...)
#endif

const int dx[4] = {0, 0, 1, -1};
const int dy[4] = {1, -1, 0, 0};
const int dxx[8] = {0, 0, 1, 1, 1, -1, -1, -1};
const int dyy[8] = {1, -1, 0, -1, 1, 0, -1, 1};

void solve(){
    inp(int,t);
    cout<<t*(3*t+1)<<endl;
}

signed main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	int tc = 1;
	//cin>>tc;
	while(tc--){
		solve();
	}
}