#include <iostream>using namespace std;int main(){	char num[1000];	cin >> num;	int i = 0;	int count[10] = {};	while (num[i] != '/0')	{		int c = num[i++] -'0';		++count[c];	}	for(int i=0;i<10;++i)	{		if(count[i] != 0)			cout<<i<<":"<<count[i]<<endl;	}	return 0;}