#include<iostream>
#include<cmath>
using namespace std;
int changel(int n)
{
	int a[4],i,j,k,temp,m,count=4;
	a[0]=n/1000;
	a[1]=(n-a[0]*1000)/100;
	a[2]=(n-a[0]*1000-a[1]*100)/10;
	a[3]=n%10;
	if(a[3]==0)
	{
		count--;
		if(a[2]==0)
		{
			count--;
			if(a[1]==0)
				count--;
		}
	}
	for(i=4-count;i<4;i++)
	{
		for(j=i+1,k=i;j<4;j++)
			if(a[k]>a[j])
				k=j;
			temp=a[k];
			a[k]=a[i];
			a[i]=temp;
	}
	m=1000*a[0]+100*a[1]+10*a[2]+a[3];
	return m;
}
int changeh(int n)
{
	int a[4],i,j,k,temp,m,count=4;
	a[0]=n/1000;
	a[1]=(n-a[0]*1000)/100;
	a[2]=(n-a[0]*1000-a[1]*100)/10;
	a[3]=n%10;
	if(a[0]==0)
	{
		count--;
		if(a[1]==0)
		{
			count--;
			if(a[2]==0)
				count--;
		}
	}
	if(a[0]==a[1]&&a[2]==a[3]&&a[1]==a[2])
		return -1;
	for(i=4-count;i<4;i++)
	{
		for(j=i+1,k=i;j<4;j++)
			if(a[k]<a[j])
				k=j;
			temp=a[k];
			a[k]=a[i];
			a[i]=temp;
	}
	m=1000*a[0]+100*a[1]+10*a[2]+a[3];
	return m;
}
int main()
{
	int n,temp,count=0,highest;
	cin>>n;
	while(n!=-1)
	{
		if((int)log10(double(n))+1!=4)
		{
			cout<<"N="<<n<<':'<<endl;
			cout<<"No!"<<endl;
		}
		else
		{
			highest=changeh(n);
			cout<<"N="<<n<<':'<<endl;
			if(highest<0)
			{
				cout<<"No!! "<<endl;
			}
			else
			{
				temp=n;
				while(temp!=6174&&temp!=0)
				{
					cout<<changeh(temp)<<'-'<<changel(temp)<<'=';
					temp=changeh(temp)-changel(temp);
					cout<<temp<<endl;
					count++;
				}
				cout<<"Ok!! "<<count<<" times"<<endl;
				count=0;
			}
		}
			cin>>n;
	}
	return 0;
}