#include <iostream>
#include <string>

using namespace std;

int main()
{  
   cout << "Enter your full name (first middle last): ";
   string first;
   string middle;
   string last;
   cin >> first >> middle >> last;
   string initials = first.substr(0, 1) + middle.substr(0, 1) + last.substr(0, 1);
   cout << "Your initials are " << initials << "\n";

   return 0;
}
