#include <stdio.h>
#include <string.h>
#include <ctype.h>

int main (int argc, char *argv[])
{
	if (argc == 2){
		const char *pt = argv[1];
		while (isspace (*pt)) pt++;
		int len = strlen(pt);
		const char *end = pt + len;
		while (end > pt && isspace(end[-1])) end--;
		while (pt < end) fputc (*pt++,stdout);
	}
	return 0;
}