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

int main ( ) {
	int wc;
	char c;
	for (wc=1; ; wc++) {
		/* We're about to encounter the wc'th word. Skip past leading white space. */
		while ((c = getchar ( )) && c != EOF && isspace (c)) {
		}
		/* Read through characters of the word. */
		while ((c = getchar ( )) && c != EOF && !isspace (c)) {
		}
	}
	printf ("%d\n", wc);
	return 0;
}