#include using namespace std; using LL = long long; using ULL = unsigned long long; #define rep(i,n) for(int i=0; i<(n); i++) int main() { string S; cin>>S; S+=S; pair ans; rep(i,S.size()/2) if(S[i]!=S[i+1]&&S[i]!=S[i+2]) ans={i,S[i]}; cout<<(ans.first+1)<<" "<