#include <iostream.h>
void main()
{  int  i = 0;  
   char  buf[20];
   while(i<20 && (buf[i]=cin.get()) != '\n')  //  while(i<20 && cin.get(buf[i]) && buf[i] != '\n')
	   i ++;
   buf[i] = '\0';  
   cout << buf << endl;
}