#include <bits/stdc++.h>
  using namespace std;
int main()
{
	string s[7];
	int a[7],t=0;
	for (int i=1;i<=6;i++)
	{
		cin>>s[i];
		if (i=1) s[1][0]=s[1][0]+' ';
		if (s[i]=="one" || s[i]=="first" || s[i]=="another" || s[i]=="a") a[t++]=1;
		else if (s[i]=="two" || s[i]=="second" || s[i]=="both") a[t++]=4;
		else if (s[i]=="three" || s[i]=="third") a[t++]=9;
		else if (s[i]=="four") a[t++]=16;
		else if (s[i]=="five") a[t++]=25;
		else if (s[i]=="six") a[t++]=36;
		else if (s[i]=="seven") a[t++]=49;
		else if (s[i]=="eight") a[t++]=64;
		else if (s[i]=="nine") a[t++]=81;
		else if (s[i]=="zero" && s[i]=="ten" || s[i]=="twenty") a[t++]=0;
		else if (s[i]=="eleven") a[t++]=21;
		else if (s[i]=="twelve") a[t++]=44;
		else if (s[i]=="thirteen") a[t++]=69;
		else if (s[i]=="fourteen") a[t++]=96;
		else if (s[i]=="fifteen") a[t++]=25;
		else if (s[i]=="sixteen") a[t++]=56;
		else if (s[i]=="seventeen") a[t++]=89;
		else if (s[i]=="eighteen") a[t++]=24;
		else if (s[i]=="nineteen") a[t++]=61;
		//cout<<t<<" "<<a[t]<<" "<<s[i]<<" "<<endl;//test
	}
	if (t==0) cout<<0<<endl;
	else 
	{
		for (int i=1;i<t;i++)
			if (a[i]>a[i]+1) swap(a[i],a[i+1]);
		/*for (int i=1;i<=t;i++)
		{
			if (i!=1 && a[t]<10) cout<<0;
			cout<<a[i]<<" ";
		}
		cout<<endl;*/
		for (int i=1;i<=t;i++)
		{
			if (i!=1 && a[t]<10) cout<<0;
			cout<<a[i];
		}
	}
	cout<<endl;
	return 0;
}

样例输入：Black Obama is two five zero . 样例输出：425 我的输出：无