include<bits/stdc++.h>

using namespace std; string s[27]={" zero "," one "," two "," three "," four "," five "," six "," seven "," eight "," nine "," ten "," eleven "," twelve "," thirteen "," fourteen "," fifteen "," sixteen "," seventeen "," eighteen "," nineteen "," twenty "," a "," both "," another "," first "," second "," third "}; int a[30]={0,1,4,9,16,25,36,49,64,81,00,21,44,69,96,25,56,89,24,61,0,1,4,1,1,4,9}; int main() { int b[10],t=1; string ss; getline(cin,ss); ss=" "+ss; ss=ss.insert(ss.size()-1," "); for(int i=0;i<=27;i++) if(ss.find(s[i])!=string::npos) b[t++]=a[i]; if(t>0) { sort(b+1,b+t+1); int i=1; while(b[i]==0) i++; cout<<b[i]; for(int j=i+1;j<=t;j++) if(b[j]<10) cout<<0<<b[j]; else cout<<b[j]; } else cout<<0; return 0; }