<snippet>
    <content><![CDATA[
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <algorithm>
#include <iostream>
#include <map>
#include <queue>
#include <set>
#include <sstream>
#include <string>
#include <vector>
#define OUT(x) cerr << #x << ": " << (x) << endl
#define REP(i, n) for (int i = 0; i < (n); ++i)
#define SZ(x) ((int)x.size())
using namespace std;
typedef long long LL;

int main() {
    ${1}
    return 0;
}
]]></content>
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</snippet>