题解

#include <iostream>
#include <cstdio>
using namespace std;
int n;
bool huiwen(){
	int t = n;
	int x = 0;
	while(t){
		x = x * 10 + t % 10;
		t /= 10;
	}return x == n;
}
bool runnian(){
	if(n % 400 == 0) return 1;
	if(n % 100 == 0) return 0;
	if(n % 4 == 0) return 1;
	return 0; 
}
int main(){
    cin >> n;
    if(huiwen() && runnian()) cout << "Yes";
    else cout << "No";
    return 0;
}