/* word counter */
#include<stdio.h>

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

int main()

{
  int c,nl,nw,nc,state;
  state=OUT;
  nl=nw=nc=0;

  while((c=getchar())!=EOF)
   {
      ++nc;
      if(c=='\n') ++nl;
      if (c==' ' || c == '\n' || c=='\t') state=OUT;
      else if (state==OUT)
         {
           state=IN;
           ++nw;
          }
        }
      printf("lines=%d words=%d characters=%d\n",nl,nw,nc);
 return 0;
}