#include <stdio.h>
int print(int n) { (n == 0) ? printf("0") : (printf("S("), print(n - 1), printf(")")); }
int main()
{
	int n = 0, m = 0, c;
	for (c = getchar(); c != 10; c = getchar()) n += c/'S';
	for (c = getchar(); c != 10; c = getchar()) m += c/'S';
	print(n*m); printf("\n");
	return 0;
}