#include using namespace std; int main(void){ int n; cin>>n; int a[18]={2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61}; int b[6]={4,9,16,25,36,49}; int c[2]={8,27}; int d[2]={6,28}; for(int i=0;i<18;i++){ if(a[i]==n){ cout<<"Sosu!"<