#include<iostream>
#include<string>
using namespace std;
void main()
{
	string str;
	cout<<"Enter your String for do the process: ";
	cin>>str;
	int process=1;
	for (int i=0;;i++)
	{
		if (str[i]>='1' && str[i]<='9') 
		{
			process*=int(str[i])-int('0');
			cout<<int(str[i])-int('0');
			if (i+1!=str.length()) cout<<'*';
			if (i+1==str.length()) break;
		}
	}
	cout<<"="<<process;
	//just for stay on the screen
	cin>>str;
}