#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("inline")
#include<bits/stdc++.h>
using namespace std;
inline int my_getchar_unlocked(){
  static char buf[1048576];
  static int s = 1048576;
  static int e = 1048576;
  if(s == e && e == 1048576){
    e = fread_unlocked(buf, 1, 1048576, stdin);
    s = 0;
  }
  if(s == e){
    return EOF;
  }
  return buf[s++];
}

int main() {
	long long a = 1;
	int s = 0, m = 0, f = 0;
	while(true) {
		char c = my_getchar_unlocked();
		if(c == EOF) { printf("%lld\n", a); exit(0); }
		if('0' <= c && c <= '9') {
			m += c;
		} else {
			if(m % 3 != 0) { s++; }
			m = 0;
			if(c == '\n') {
				if(f == 0) { f = 1; } else { a *= s; }
				s = 0;
			}
		}
	}
}