import java.util.Scanner;
import java.io.PrintStream;

public class Shots {
    public static void main(String[] args) {
	Scanner in = new Scanner(System.in );
	PrintStream out = System.out;
	
	final int N = in.nextInt(); // number of test cases
	String s = in.nextLine(); // get rid of carriage return at end of line
	for (int n = 0; n < N; n++) {
	    // process each test case
	    s = in.nextLine();
	    int count = 0; // how many successes in a row currently seen
	    int maxcount = 0; // max number of successes in a row ever seen
	    for (int i = 0; i < 25; i++) {
		if (s.charAt(i) == 'M') count = 0; // reset count 
		else {
		    count++;
		    if (count > maxcount) maxcount = count;
		}
	    }
	    out.println("Player " + (n+1) + ": " + maxcount);
	}
    }
}