/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.regex.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String curr = "Game No : 432543254 \n";
	    Pattern p = Pattern.compile("Game No : ([0-9]+)");
	    Matcher m = p.matcher(curr);
	    if (m.find()) {
	        System.out.print(m.group(1));
	    }
	}
}

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