python/TangDou/KaoShi/判断年份重叠.cpp

#include <bits/stdc++.h>

using namespace std;
const int N = 10;
int main() {
    string s;
    cin >> s;
    if (s[0] == s[3] && s[1] == s[2])
        cout << "YES";
    else
        cout << "NO";
    return 0;
}