#include 


using namespace std;


int main()
{
    int a,b;
    int suma =0;
    cin>>a>>b;
    if(b == 1) {
        cout << a / 100 << endl;
    }
    else if(b == 2) {
        cout << (a / 10) % 10 << endl;
    }
    else if(b == 3) {
        cout <