Template

#include <bits/extc++.h>
using namespace std;
using namespace __gnu_cxx;
using namespace __gnu_pbds;
typedef short i16;
typedef unsigned short u16;
typedef int i32;
typedef unsigned u32;
typedef long long i64;
typedef unsigned long long u64;
typedef long isize;
typedef unsigned long usize;
typedef float f32;
typedef double f64;
typedef long double f128;
signed main()
{
    return 0;
}