ques 2

/*
You are given n inputs and two numbers x and y. check whether all the given numbers lies in range of x and y. (x <= y). If the condition is 
true print YES else print NO.
input Format:
First line contains N, X, Y seperated by space.
Next Line contains n integers.



SAMPLE INPUT 
5 1 5
1 2 3 4 5
SAMPLE OUTPUT 
YES
*/

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

int main()
{
    int n,l,r; 
    cin>>n>>l>>r;
    int a[n];
    for(int i=0;i<n;i++) cin>>a[i];
    // if(r>n) cout<<"NO\n";
    int k=1;
    for(int i=0;i<n;i++)
    {
        if(!(a[i]>=l && a[i]<=r)) {k=0; break; }
    }
    if(k) cout<<"YES\n";
    else cout<<"NO\n";
}