#include #include int main(void) { int i, j, f, s, a; char c; s = 1; for (j = 0; j < 3; j++) { a = f = 0; for (i = 0; (c = getchar()) != '\n'; i++) { if (c == 'N' || c == 'O') f++; else if (f == 3) f = 0; else if ((c >= '0' && c <= '9') || (c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f')) a++; } a = 16 - a; s *= (a * a); } printf("%d\n", s); return EXIT_SUCCESS; }