#include<bits/stdc++.h> #include <cstring> #include <algorithm> using namespace std; // write your code here...... void reverse(string &s) { for(int i = 0 ; i < s.size() / 2 ;i ++) { swap(s[i],s[s.size() - i - 1]); } } int main(){ string s; getline(cin,s); // write your code here...... reverse(s); cout<<s; return 0; }