Submission #73676872

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Source Code Expand

#ifndef ONLINE_JUDGE
#define _GLIBCXX_DEBUG
#endif

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

using ll = long long;
template <typename T>
using vc = vector<T>;
template <typename T>
using vv = vc<vc<T>>;
using vll = vector<ll>;
using vvll = vector<vector<ll>>;

#define rep(i, n) for (ll i = 0; i < (ll)(n); i++)
#define all(v) (v).begin(), (v).end()
#define vc_unique(v) v.erase(unique(v.begin(), v.end()), v.end()) // 重複削除(ソート後限定)
#define next_p(v) next_permutation(v.begin(), v.end())            // 辞書順の次(ソート後限定)
#define keta(n) cout << fixed << setprecision(n)                  // 小数点以下の桁数指定

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    ll n, m;
    cin >> n >> m;

    n = (n + 1) / 2;
    if (n >= m)
    {
        cout << "Yes\n";
    }
    else
    {
        cout << "No\n";
    }

    return 0;
}

Submission Info

Judge Result