include

include <string.h>

using namespace std;
//const int N = 400;

int main()
{
char ch;
cin >> ch;
char str[30];
cin.get(str,30);
int count = 0;
for(int i = 0; str[i] != '\0'; i ++)
{
if(str[i] == ch || str[i] + 32 == ch ||str[i] - 32 == ch)
count ++;
}
cout << count << endl;
return 0;
}