import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; import java.io.OutputStream; import java.util.StringTokenizer; import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.HashMap; import java.util.Map; /** * Built using CHelper plug-in * Actual solution is at the top */ public class Main { public static void main(String[] args) { InputStream inputStream = System.in; OutputStream outputStream = System.out; InputReader in = new InputReader(inputStream); PrintWriter out = new PrintWriter(outputStream); Task solver = new Task(); solver.solve(1, in, out); out.close(); } static class Task { public void solve(int testNumber, InputReader in, PrintWriter out) { String a = in.next(); String b = in.next(); if(a.length()==1){ if(Integer.parseInt(a)==0){ if(b.length()==1&&Integer.parseInt(b)==0){ out.println("E"); return; } else{ out.println("S"); return; } } else if(Integer.parseInt(a)==1){ out.println("S"); return; } else if(Integer.parseInt(a)==2){ if(b.length()==1&&Integer.parseInt(b)==2){ out.println("E"); return; } } } if(b.length()==1){ if(Integer.parseInt(b)==0){ if(a.length()==1&&Integer.parseInt(a)==0){ out.println("E"); return; } else{ out.println("S"); return; } } else if(Integer.parseInt(b)==1){ out.println("S"); return; } else if(Integer.parseInt(b)==2){ if(a.length()==1&&Integer.parseInt(a)==2){ out.println("E"); return; } } } out.println("P"); } } static class InputReader { public BufferedReader reader; public StringTokenizer tokenizer; public InputReader(InputStream stream) { reader = new BufferedReader(new InputStreamReader(stream), 32768); tokenizer = null; } public String next() { while (tokenizer == null || !tokenizer.hasMoreTokens()) { try { tokenizer = new StringTokenizer(reader.readLine()); } catch (IOException e) { throw new RuntimeException(e); } } return tokenizer.nextToken(); } public int nextInt() { return Integer.parseInt(next()); } public long nextLong() { return Long.parseLong(next()); } } }