#include <bits/stdc++.h>
using namespace std;
char c[50][50]={"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 va[50]={0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,1,2,1,1,2,3};//µ¥´Ê¶ÔÓ¦µÄÖµ 
int main()
{
	string s;
	getline(cin,s);
	for(int i=0;i<s.size();i++)
	if(s[i]>='A'&&s[i]<='Z')s[i]+=32;
	
	string v[50];
	int k=0;
	
	for(int i=0;s[i]!='.';i++)//ÒÔ¿Õ¸ñΪ¼ä¾à·Ö¸î×Ö·û´® 
	{
		if(s[i]==' ')
		{k++;continue;
		}
		v[k].push_back(s[i]);
	}
	string ans[50];//´æ´¢µ¥´Ê±äÊý×ÖµÄ×Ö·û´® 
	int t=0;
	for(int i=0;i<k;i++)//½«Ó¢Îĵ¥´Ê±ä³ÉÊý×Ö£¨Æ½·½ÔÙmod100£¬Ç°Öò¹³ä0£© 
	{
		for(int j=0;j<=26;j++)
		{
			if(v[i].compare(c[j])==0){
				char tmp[100];
				int val=(va[j]*va[j])%100;
				sprintf(tmp,"%d",val);
				if(val<10){//²¹³ä0 
					tmp[1]=tmp[0];
					tmp[0]='0';
				}
				ans[t]=tmp;
				
				t++;
			}
		}
	}
	for(int i=0;i<t;i++)//½«×Ö·û´®ÉýÐò 
	{
		for(int j=i;j<t;j++)
		{
			if(ans[i].compare(ans[j])==1) 
			swap(ans[i],ans[j]);
		}
	}
	
	if(ans[0].size()==0)cout<<0;
	else{
	
	int fl=0;
	for(int i=0;i<t;i++)
	{
		for(int j=0;j<ans[i].size();j++)
		{
			if(ans[i][j]=='0'&&fl==0)continue;
			else fl=1;
			cout<<ans[i][j];
		}
	}}
}