#include<bits/stdc++.h>
using namespace std;
int main()
{
	char a,j;
	int n,i,s[26]={0};
	do{
		cin>>a;
		j=a;
		s[int(j)-97]++;
	}while(a!='.');
	for(i=0;i<26;i++){
		if(s[i]!=0){
			cout<<char(i+97);
		}
	}
	printf("\n");
	for(i=0;i<26;i++){
		if(s[i]!=0){
			cout<<s[i];
		}
	}
	return 0;
}
/**************************************************************
	Problem: 1177
	User: zzz
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/