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| #include <iostream>
#include <cstring>
#include <algorithm>
#include <queue>
#include <map>
#include <unordered_map>
#include <string>
#include <cmath>
#include <set>
#include <stack>
#include <vector>
#include <deque>
#include <bitset>
#include <cstdio>
#include <iomanip>
#define ull unsigned long long
#define ed '\n'
#define fi first
#define se second
#define fore(i, l, r) for(int i = (int)(l); i <=(int)r; i++)
#define debug(x) cout << "#x = " << x << ed;
#define PI acos(-1)
#define E exp(1)
#define IOS ios::sync_with_stdio(false),cin.tie(0),cout.tie(0);
#define me0(st) memset(st, 0, sizeof st)
#define me3f(st) memset(st, 0x3f, sizeof st)
#define pdf(x) printf("%lf", double(x))
#define pif(x) printf("%d ", int(x))
#define scf(x) printf("%d", int(x))
#define re return 0
#define max(a, b) ((a) > (b) ? (a) : (b))
#define min(a, b) ((a) < (b) ? (a) : (b))
#define out(x, k) cout << fixed << setprecision(k) << x << ed
using namespace std;
typedef pair<int, int> PII;
typedef long long LL;
typedef double db;
const int INF = 1e9;
const int N = 1e5 + 10;
void solve() {
}
int main()
{
IOS;
int _ = 1;
while(_--) {
solve();
}
re;
}
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