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#include <iostream>
#include <string>
#include <cmath>
using namespace std;
int main() {
int a, b, n;
n = 2;
cin >> a;
if (a == 4 || a == 1) cout << "Yes";
else{
while (true) {
n += 1;
b = n * 2 + (n - 2) * 2;
if (a == b) {
cout << "Yes";
break;
}
else if (b > a) {
cout << "No";
break;
}
}
}
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