//{{{ #include using namespace std; #define rep(...) repN((__VA_ARGS__,rep3,rep2,loop,~))(__VA_ARGS__) #define loop(n) rep2(_loop_,n) #define rep2(i,n) rep3(i,0,n) #define rep3(i,begin,end) for(int i=(int)(begin),i##_end=(int)(end);i> S; reverse(S.begin(), S.end()); for(auto x: S) cout << (x == '<' ? '>' : '<'); cout << endl; return 0; }