#include <stdlib.h> #include <string.h> #include <stdio.h> #include <iostream.h>

int main(int argc, char* argv[]) {

char x[1000]; unsigned int i=0 ; int n=0 ; char flag=0;

cin.getline(x,255); strcat(x," ");

for(i=0;i<strlen(x);i++) { if(((x[i]>='a')&&(x[i]<='z'))||((x[i]>='A')&&(x[i]<='Z'))) { flag=1;} else { if (flag==1 ) n++; flag=0; }

}

printf("%d\n",n);

getchar(); return 0; }