#include <stdio.h>
int main() {
char s[1000005];
int count = 0;
int word = 0;
for (int i = 0; s[i]; i++) {
if ((s[i] >= 'a' && s[i] <= 'z') ||
(s[i] >= 'A' && s[i] <= 'Z')) {
if (word == 0) {
count++;
}
}
else{
word = 1;
}
}
}
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