#include <iostream>
using namespace std ;
int main() {
   char c ;
   int lowval = 0, hival = 0, lowpos = -1, hipos = -1, pos = 0, curval = 0 ;
   while (cin >> c) {
      if (c == 'R') {
         curval++ ;
         if (curval > hival) {
            hival = curval ;
            hipos = pos ;
         }
         pos++ ;
      } else if (c == 'B') {
         curval-- ;
         if (curval < lowval) {
            lowval = curval ;
            lowpos = pos ;
         }
         pos++ ;
      }
   }
   if (lowpos > hipos)
      swap(lowpos, hipos) ;
   cout << (lowpos+2) << " " << (hipos+1) << endl ;
}