#include<iostream> #include<algorithm> using namespace std; int main(){ string s; getline(cin,s); int lens=s.size(); for(int i=0,j=0;i<lens;j++,i=j){ while(s[j]!=' '&&j+1!=lens) j++; reverse(s.begin()+i,s.begin()+j); } cout<<s; return 0; }