tj

#include <bits/stdc++.h>
using namespace std;
int main(){
    long long n,k;
    bool flag=false;
    vector<long long>arr;
    scanf("%lld %lld",&n,&k);
    for (long long p=0;p<n;p++){
        long long i;
        scanf("%lld",&i);
        arr.push_back(i);
    }
    for (long long j=n-1;j>-1;j--){
        if (arr[j]<=k){
            cout<<arr[j];
            flag=true;
            break;
        }
    }
    if (flag==0) cout<<-1;
}