#include <stdio.h>
#include <string.h>
int main() {
char s[21];
scanf("%s", s); //خواندن کلمه
int len = strlen(s);
int possibleWords = 1;
for (int i = 0; i < len; i++) {
if (s[i] == 'K' && (i == 0 || s[i - 1] != 'T')) // K و T
possibleWords *= 2;
else if (s[i] == 'G' && (i == 0 || s[i - 1] != 'D')) // G و D
possibleWords *= 2;
else if (s[i] == 'R' && (i == 0 || s[i - 1] != 'L')) // R و L
possibleWords *= 2;
else if (s[i] == 'F' && (i == 0 || s[i - 1] != 'R')) // F و R
possibleWords *= 2;
}
printf("%d", possibleWords);
return 0;
}