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#include <bits/stdc++.h>
using namespace std;
string number[30]={"-1","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 value[30]={-1,0,1,4,9,16,25,36,49,64,81,0,21,44,69,96,25,56,89,24,61,0,1,4,1,1,4,9};
int num[10];
int main()
{
	for(int i=1;i<=6;i++)
	{
		string s;
		cin>>s;
		for(int i=1;i<=25;i++)
		{
			if(s==number[i]) num[i]=value[i];
		}
	}
	sort(num+1,num+7);
	bool flag=false;
	for(int i=1;i<=6;i++) 
	{
		if(num[i]==0) continue;
		if(flag) printf("%.2d",num[i]);
		else 
		{
			cout<<num[i];
			flag=true;
		}
		
	}
	if(!flag) cout<<0;
	return 0;
}