#include <stdio.h>

#define IN 1 /* inside a word */ 
#define OUT 0 /* outside a word */ 

/* count lines, words and characters in input */ 
main()
{
  int c, state;

  state = OUT;
  while((c = getchar()) != EOF) {
  //   if (c == ' ' || c == '\t' || c == '\n')
  //     state = OUT;
  //   else if (state == OUT) {
  //     putchar('\n');
  //     state = IN;
  //     putchar(c);
  //   }
  //   else 
  //     putchar(c);
    if (c != ' ' && c != '\t' && c != '\n') {
			if (state == OUT)
				state = IN ;
			putchar(c) ;
		}
		else if (state == IN) {
			state = OUT ;
			putchar('\n') ;
		}
  }
}