#include <iostream> 
#include <sstream> 
#include <string> 
 
int  main( )  { 
    std:: string  line; 
    while  ( std:: getline ( std:: cin , line) )  // reads in a line 
    { 
        std:: istringstream  stream( line) ; 
        std:: string  spaceless; 
        std:: string  word; 
        while  ( stream >>  word)  // get words on the line without any whitespace 
        { 
            spaceless + =  word;  // assemble without spaces 
            std:: cout  <<  spaceless <<  '\n ' ; 
        } 
    } 
	return  0 ; 
} 
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