include
using namespace std;
int main() {
long long n, k;
cin >> n >> k;
long long ans = 0, x = n;
while (k-- && x) {
int c = x % 10;
x /= 10;
ans = c;
}
if (x == 0 && k != 0) {
x = n;
while (k-- && x) {
int c = x % 10;
x /= 10;
ans = c;
}
}
cout << ans;
return 0;
}