#include "iostream.h"
#include "string.h"
char *fun(char *str)
{
 char *p=str,*n;
 while(*p)
 if(*p==' '){
          n=p;
         while(*(n+1))
		{*n=*(n+1);n++;}
         *n='\0';}
 else p++;
 return str;
}
int main(int argc, char* argv[])
{
	char a[100];
	while(gets(a))
	{
	 char *ds;
	 ds=fun(a);
	 cout<<ds<<endl;
	}
	return 0;
}