#include <iostream>
#include <fstream>

using namespace std;

int main()
{
    int n, l, u, i, j, contordis, nrsec = 0, k, ib, ok;
    ifstream in("secv5.in");
    ofstream out("secv5.out");
    in >> n;
    in >> l;
    in >> u;
    int a[n], b[n];
    for(i = 0; i < n; i++)
    {
        in >> a[i];
    }
    for(i = 0; i < n; i++)
    {
        k = 0;
        ok = 0;
        for(j = i; j < n; j++)
        {
            b[j] = a[k];
            if(k >= 1)
            {

                do
                {
                    ok = 1;
                    for(ib = 0; ib <= k; ib++)
                        if(b[ib] < b[ib+1])
                        {
                            swap(b[ib], b[ib+1]);
                            ok = 0;
                        }
                }while(ok == 0);
                contordis = 0;
                for(ib = 0; ib <= k; ib++)
                {
                    if(b[ib] != b[ib+1])
                    {
                        if(contordis > 0)
                            contordis++;
                        else contordis+=2;
                    }
                }
            }
            if(contordis <= u && contordis >= l)
            {
                nrsec++;
            }
        k++;
        }
    }
    out << nrsec;
    return 0;
}