#include<bits/stdc++.h>
using namespace std;
int main()
{
int n,uc,on=0,ok=1;
cin>>n;
while(n>0)
{
uc=n%10;
on=on*10+uc;
n/=10;
}
for(int i=2; i<=on; i++)
if(on%i==0) ok=0;
if(ok) cout<< “Oglinditul nr. “ << on <<” nu e prim”;
else cout<< “Oglinditul nr. “ << on << “ e prim”;
return 0;
}