#include <bits/stdc++.h>
using namespace std;
int main() {
// Dado un numero determinar si es multiplo de 5 pero no de 2
int n;
cin >> n;
if(n % 5 == 0 and n % 2 != 0) {
cout << "SI\n";
} else {
cout << "NO\n";
}
return 0;
}
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