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#include<iostream>
using namespace std;
string a;
int flag[7];
const string d[]={"OO","one.","two.","three.","four.","five.","six.","sven.","eight.","nine.","ten.","eleven.","twelve.","thirteen.","fourteen.","fifteen.","sixteen.","seventeen.","eighteen.","nineteen.","twenty."};
const string c[]={"OO","One","Two","Three","Four","Five","Six","Sven","Eight","Nine","Ten","Eleven","Twelve","Thirteen","Fourteen","Fifteen","Sixteen","Seventeen","Eighteen","Nineteen","Twenty"};
const string b[]={"OO","one","two","three","four","five","six","sven","eight","nine","ten","eleven","twelve","thirteen","fourteen","fifteen","sixteen","seventeen","eighteen","nineteen","twenty"};
void fout(int ff){

    for(int k=1;k<=ff;k++){
        int minn;int wei;
        for(int i=1;i<=6;i++){
            if(flag[i]){
                if(flag[i]<minn){
                    minn=flag[i];
                    wei=i;
                }   
            }
        }
        cout<<minn;minn=0;
        flag[wei]=0;
    }
    return;
}
int main()
{
    int ff=0;
    for(int i=1;i<=6;i++){
        cin>>a;
        for(int k=1;k<=20;k++){
            if(a==c[k]||a==b[k]){
                flag[i]=(k*k)%100;
                ff++;
            }
        }
    }
    if(!ff)cout<<"0";
    else {
        fout(ff);
    }
    return 0;
}