#include<bits/stdc++.h>
using namespace std;
string a[30]={"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 b[30]={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};
int main(){
	string s;
	int c[20],n=0;
	for(int i=0;i<6;i++){
		cin>>s;
		for(int j=0;j<26;j++){
			if(s==a[j]){
				c[n]=b[j];
				c[n]=c[n]*c[n]%100;
				n++;
				break;
			}
		}
		
	}
	sort(c+0,c+n-1);
	for(int i=0;i<n;i++){
		if(i==0&&i<10){
			cout<<c[i];
		}
		else{
			printf("%.2d",c[i]);
		}
	}
	return 0;
}