Submission #1476617

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Source Code Expand

#include <iostream>
#include <vector>
#include <string>
#include <cstring>
#include <math.h>
#include <cmath>
#include <limits.h>
#include <map>
#include <set>
#include <queue>
#include <algorithm>
#include <functional>
#include <stdio.h>
using namespace std;

long long MOD = 1000000007;

int main() {
    
    int n,k;
    cin >> n >> k;
    
    cout << ( k <= ( n-1 ) / 2 ? "YES":"NO" ) << endl;
        
    return 0;
}

Submission Info

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