#include <stdio.h>
int fun(char *s)
{
    int cnt=0,flag=1;
    while(*s!='\0')
    {
/**********found**********/
        if(*s!=' ' && ___1___ )
        {
/**********found**********/
            cnt = cnt + ___2___;
            flag = 0;
        }
        else if(*s == ' ')
/**********found**********/
            ___3___;
        s++;
    }
    return cnt;
}
int main()
{
    char str[128];
    gets(str);
    printf("words=%d\n",fun(str));
    return 0;
}