#include<bits/stdc++.h>
using namespace std;


int main() {
	string S;
	cin >> S;

	int l = 1 << 8;
	map<char, char> mp;
	mp['l'] = '1';
	mp['o'] = '0';
	mp['a'] = '@';
	mp['s'] = '$';
	set<string> ans;
	for(  int mask = 1; mask < l; mask++ ) {
		string s = S;
		int d = 0, m = 0;
		for( int i = 0; i < 8; i++ ) {
			if( mask >> i & 1 ) {
				if( mp.count( s[i] ) ) {
					s[i] = mp[s[i]];
					if( isdigit( s[i] ) ) d = 1;
					else m = 1;
				}
			}
		}
		if( d && m ) {
			ans.insert( s );
		}
	}
	cout << ans.size() << endl;
}