pc8 last ex

#include <stdio.h>
#include <ctype.h>
#define MAX(a, b) a < b ? b : a

int main() {
  int max = 0, words = 0, lWords = 0;
  for (char ch, last = ' '; (ch = getchar()) != EOF; last = ch) {
    if (isspace(last) && !isspace(ch)) {
      ch = toupper(ch);
      lWords++;
    }
    if (ch == '\n') {
      max = MAX(max, lWords);
      words += lWords;
      lWords = 0;
    }
    putchar(ch);
  }
  printf("%d %d\n", words, max);
  return 0;
}