#include using namespace std; typedef pair pii; typedef long long ll; #define ITR(i,c) for(auto i=begin(c);i!=end(c);i++) #define FOR(i,a,n) for(int i=a;i<(int)(n);i++) #define FORR(x,arr) for(auto &x:arr) #define REP(i,n) FOR(i,0,n) #define ALL(c) begin(c),end(c) #define GET_MAX(c) (*std::max_element(ALL(c))) #define GET_MIN(c) (*std::min_element(ALL(c))) #define PB push_back #define MP make_pair const int DX[4]={0,1,0,-1}, DY[4]={-1,0,1,0}; const int INF = 1e9; int main(int argc, char const *argv[]) { int m; cin >> m; REP(i,m) { int a; cin >> a; string s=""; cout << a << endl; for(int j=a; j!=0; ) { if(j%2==0) { s.PB('R'); } else { s.PB('L'); } j--; j=j/2; } reverse(ALL(s)); cout << s << endl; } return 0; }