#includeusing namespace std;double trans(string a){ stringstream ss; ss< >t; return t;}double k[250];main(){ int n; cin>>n; k['O']=16.00;k['N']=14.01; k['H']=1.008;k['C']=12.01; while(n--) { string a; cin>>a; a=a+'K'; string st=""; double sum=0; char ch=a[0]; for(int i=0;i