关于快读（玄关）

inline int into ()
{
	int s = 0,w = 1;
	char ch = getchar ();
	while (ch < '0' || ch > '9')
	{
		if (ch == '-')
			w = -1;
		ch = getchar ();
	}
	while (ch >= '0' && ch <= '9')
		s = s * 10 + ch - '0',
		ch = getchar ();
    return s * w;
}

#include <bits/stdc++.h>
#define int long long
#define ull unsigned long long
#define mod 998244353
#define MOD 1000000007
using namespace std;

template <typename T>
inline int into ()
{
	int s = 0,w = 1;
	char ch = getchar ();
	while (ch < '0' || ch > '9')
	{
		if (ch == '-')
			w = -1;
		ch = getchar ();
	}
	while (ch >= '0' && ch <= '9')
		s = s * 10 + ch - '0',
		ch = getchar ();
    return s * w;
}

const int N = 1e5 + 5;

int a [N];

signed main () {
	ios :: sync_with_stdio (false);
	cin.tie (0),cout.tie (0);
	int a = into ();
	return 0;
}