13 lines
225 B
C++
13 lines
225 B
C++
#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;
|
|
} |