include

using namespace std;

int main() {

char a;
int c = 0;
while ((a = getchar()) != '\n') {
	if (a == 'A') {
		c++;
	}
}
printf("%d", c);
return 0;

}

include

include

using namespace std;

int main() {

string a;
cin >> a;
int c = 0;
int x = a.size();
for (int i = 0; i < x; i++) {
	if (a[i] == '7') {
		c++;
	}
}
printf("%d", c);
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int score[100001], n, k;
scanf("%d", &n);
scanf("%d", &k);
for (int i = 0; i < n; i++) {
	scanf("%d", &score[i]);
}
for (int i = 0; i < n - 1; i++) {
	for (int j = 0; j < n - 1 - i; j++) {
		if (score[j] > score[j + 1]) {
			int t = score[j];
			score[j] = score[j + 1];
			score[j + 1] = t;
		}
	}
}
for (int i = 0; i < n; i++) {
	printf("%d ", score[k - 1]);
	return 0;
}
return 0;

}