#include
using namespace std;
int A[20];

int main()
{
int n, c, p, max;
int counter, ncounter;
counter = 0;
cin >> n;
c = n;
p = n;
for (c; c>0;)
{
 counter++;
  c = c / 10;
 A[counter] = p - c * 10;
 p = c;
 if (c > 0 && c < 10)
 {
  A[counter + 1] = c;
 }
}
max = 0;
ncounter = 0;
for (int s = 1; s <= counter; s++)
{
 if (A[s] > max)
 {
  max = A[s];
  ncounter = 0;
 }
 if (A[s] == max)
 {
  ncounter++;
 }
}
cout << ncounter;
system("pause");
return 0;
}