#include <iostream>
#include <cstdio>
#include <cctype>
#include <cstring>
#define il inline
#define ll long long
#define gc getchar
using namespace std;
il int read() {
	int x=0;bool f=0;char ch=gc();
	while(!isdigit(ch)) {x=(x<<1)+(x<<3)+(ch^48);ch=gc();}
	while(isdigit(ch)) {x=(x<<1)+(x<<3)+(ch^48);ch=gc();}
	return f?-x:x;
}	

const int N=1e6+10;
int T,n;
char a[N];
int b[N];

signed main() {
	T=read();
	while(T--) {
		scanf("%s",a);
		int n=strlen(a);
		for(int i=0;i<n;++i) {
			if(a[i]=='R') b[i+1]=0;
			if(a[i]=='P') b[i+1]=1;
			if(a[i]=='S') b[i+1]=2;
		}	
		bool f=0;
		int ans=b[1];
		for(int i=1;i<n;++i) {
			if(b[i+1]==(ans-1+3)%3) {f=1;continue;}
			if(b[i+1]==ans) {f=0;continue;}
			if(b[i+1]==(ans+1)%3) {
				if(f) continue;
				else {
					ans=b[i+1];
					f=0;
				}	
			}	
		}	
		if(ans==0) printf("R\n");
		if(ans==1) printf("P\n");
		if(ans==2) printf("S\n");
	}	
	return 0;
}