#include using namespace std; typedef long long ll; bool isprime(long long int val) { if (val <= 1)return false; for (long long int i = 2; i*i <= val; i++) { if (val%i == 0LL)return false; } return true; } signed main(){ ios::sync_with_stdio(false); cin.tie(0); cout << fixed << setprecision(20); ll n; cin>>n; if(n<=1){ cout << n << endl; return 0; } if(isprime(n)){ cout << "Sosu!" << endl; return 0; } for(ll i=2;i