#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 2e5+10;


stack<char> st;

char get_ans(string s){
	string s1,s2,s3;
	s1= s;
	while(s1.size()>1){
		s2="";
		for(int i=0;i<s1.size()-1;i++){
			if(s1[i]=='P'&&s1[i+1]=='S'){
				s2+='S';
			}else if(s1[i]=='P'&&s1[i+1]=='R'){
				s2+='P';
			}else if(s1[i]=='S'&&s1[i+1]=='P'){
				s2+='S';
			}else if(s1[i]=='S'&&s1[i+1]=='R'){
				s2+='R';
			}else if(s1[i]=='R'&&s1[i+1]=='S'){
				s2+='R';
			}else if(s1[i]=='R'&&s1[i+1]=='P'){
				s2+='P';
			}	else {
				s2+=s1[i];
			}											
		}
		s3=s2[0];
		for(int i=1;i<s2.size();i++){
			if(s2[i]!=s2[i-1]){
				s3+=s2[i];
			}
		}
		char x = s3[0];
		int ii =0,jj=s3.size()-1;
		for(int i=1;i<s3.size();i++){
			if(x=='P'&&(s3[i]=='P'||s3[i]=='S')){
				x=s3[i];
				ii = i;
			}else if(x=='S'&&(s3[i]=='S'||s3[i]=='R')){
				x=s3[i];
				ii=i;
			}else if(x=='R'&&(s3[i]=='R'||s3[i]=='P')){
				x=s3[i];
				ii=i;
			}else {
				break;
			}						
		}x = s3[jj];
		for(int i=jj-1;i>=0;i--){
			if(x=='P'&&(s3[i]=='P'||s3[i]=='S')){
				x=s3[i];
				jj = i;
			}else if(x=='S'&&(s3[i]=='S'||s3[i]=='R')){
				x=s3[i];
				jj=i;
			}else if(x=='R'&&(s3[i]=='R'||s3[i]=='P')){
				x=s3[i];
				jj=i;
			}else {
				break;
			}						
		}	
		s1 ="";
		for(int i=ii;i<=jj;i++){
			s1+=s3[i];
		}	
	}
	return s1[0];
}



void solve(){
	string s,s1;
	cin>>s;
	s1 = s[0];
	for(int i=1;i<s.size();i++){
		if(s[i]==s[i-1]){
			
		}else {
			s1+=s[i];
		}
	}
	cout<<get_ans(s1)<<"\n";
}

int main(){
    std::ios::sync_with_stdio(false);
    std::cin.tie(0);
    std::cout.tie(0);	
	int t=1;
	cin>>t;
	while(t--){
		solve();
	}
}