#include <iostream>
using namespace std;
int main()
{
	int n;
	while (cin>>n&&n)
	{
		int n_temp=n;
		int q=0;
		int sum=0;
		int s=1;
		int temp;
		while (n)
		{
			temp=n%10;
			if (temp>=4)
			{
				temp=1;
			}
			else
			{
				temp=0;
			}
			temp+=n/10;
			sum+=temp*(s-q);
			q=q*9+s;
			s=s*10;
			n=n/10;
		}
		cout<<n_temp<<": "<<n_temp-sum<<endl;
	}	
	return 0;
}