#include <iostream>
using namespace std;
int main()
{
int x,i;
int cifre=0;
int cifra[10];
cin>>x;
i=5;
while (x!=0){
cifra[i]=x%10;
x=x/10;
cifre++;
i--;}
if (cifre!=5)
cout<<"Numarul nu are 5 cifre!";
for(i=1;i<=cifre;i++)
if(cifre==5 && i!=3)
cout<<cifra[i];
return 0;
}