import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int a = sc.nextInt();
int b = sc.nextInt();
int c = sc.nextInt();
int d = sc.nextInt();
if(a * b > c * d) {
System.out.println("M");
}else if(a * b < c * d) {
System.out.println("P");
}else {
System.out.println("E");
}
sc.close();
}
}