#include<iostream>
#include<algorithm>
using namespace std;
int a[128]; 
int main(){
	int n;
	cin>>n;
	char m; 
	for(int i=0;i<n;i++){
		cin>>m;
		a[m]++; 
	}
	sort(a,a+128); 
	for(int i=127;i>=0;i--) 
		if(a[i]) 
			cout<<a[i]<<" ";
	return 0;
}