#include <string>
#include <iostream>

using namespace std;

bool isNumber(char c)
{
	switch (c) {
	case '0':
	case '1':
	case '2':
	case '3':
	case '4':
	case '5':
	case '6':
	case '7':
	case '8':
	case '9':
		return true;
		break;
	default:
		return false;
	};
}

int  main(int argc, char** argv)
{
	if (argc != 2)
		return 0;
	
	string c(argv[1]);
	
	//get the year, month and day from the path.
	string year, month, day;
	string runnumber;
	string serviceName;
	int count = c.size()-5;
	
	while (count >= 0)
	{
		if (c[count+0] == '2' &&
		    c[count+1] == '0' &&
		    c[count+2] == '1' &&
		    c[count+3] == '1' &&
		    c[count+4] == '/')
		    {
		    	year = "2011";
			month = c.substr(count+5, 2);
			day = c.substr(count+8, 2);
			break;
		    }
		 count--;
	}
	
	//separate the runnumber from the rest of the filename
	count = c.size()-6;
	while (count >= 0)
	{
		if (c[count] == '_')
		{
			if (isNumber(c[count+1]) &&
			    isNumber(c[count+2]) &&
			    isNumber(c[count+3]))
			    {
			    	runnumber=c.substr(count+1, 3);
				break;
			    }
		}
		else
		{
			if (c[count+0] != '0' && 
			    c[count+1] == '0' &&
			    c[count+2] == '0' &&
			    c[count+3] == '0' &&
			    c[count+4] == '0' &&
			    c[count+5] == '0')
			    {
			    	runnumber=c.substr(count+6, 3);
				break;
			    }
		}
		count--;
	}	
	
	//figure out the service name
	count = c.size()-3;
	while (count > 0)
	{
		if ((c[count] == '_' || c[count] == '.') &&
		    !isNumber(c[count+1]) &&
		    isNumber(c[count-1]))
		{
			serviceName = c.substr(count+1, c.size()-(count+6));
		}
		count--;
	}
	if (serviceName == "fits")
		serviceName = "";
	
	
	cout << year << month << day;
	if (runnumber != "") cout << "_";
	cout << runnumber;
	if (serviceName != "") cout << ".";
	cout << serviceName << ".fits";
//	cout << "year: " << year << " month: " << month << " day: " << day << endl;
//	cout << "run number: " << runnumber << " service name: " << serviceName << endl;

return 0;

}