#include using namespace std; int main(){ string S; cin >> S; int N = S.size(); map> mp; for (int i = 0; i < N; i++){ mp[S[i]].push_back(i); } for (auto &P : mp){ if (P.second.size() == 1){ cout << P.second[0] + 1 << ' ' << P.first << endl; } } }