include[HTML_REMOVED]
include[HTML_REMOVED]
include[HTML_REMOVED]
using namespace std;
int main()
{
int count=0;
int i,j,k;
string s;
cin>>s;
for(i=0;i<s.size();i){
for(j=0;j<s.size();j) {
for(k=0;k<s.size();k){
if(i<j&&j<k&&s[i]==’Q’&&s[j]==’A’&&s[k]==’Q’)
count;
}
}
}
cout<<count;
return 0;
}