#include <iostream>
#include <sstream>
#include <cctype>
#include <string>
using namespace std;

bool check(string s)
{
    istringstream ss(s);
    int t;
    ss >> t;
    
    ostringstream os;
    os << t;
    return os.str() == s;
}

int main()
{
    string input;
    while(getline(cin, input))
    {
        //istringstream ss(input);
       // ss >> input;
        int a, b;
        cin >> a >> b;
        if(check(input) && a <= atoi(input.c_str()) && atoi(input.c_str()) <= b)
            puts("YES");
        else
            puts("NO");
        getline(cin, input);

    }
    return 0;
}