#include<iostream> using namespace std; #include <algorithm> int main() { string s; getline(cin, s); int n = s.size(); //cout<<n<<endl; string s1, s2; int i = 0, j = 0, k = 0; while (s[i] != ' ') { s1.push_back(s[i]); cout<<s1[j]; j++; i++; if(i==n) { return 0; } } while(s[i]==' ') { i++; } while (s[i] != ' ') { s2.push_back(s[i]); cout<<s2[k]; k++; i++; if (i==n) { break; } } return 0; }