include <stdio.h>

include <string.h>

include <stdbool.h>

int main(){ char n[250]; int say=0; int s=true; gets(n); int size=strlen(n); for(int i=0 ;n[i]!='\0' ;i++){ if(n[i]==' ' || n[i]=='\n' || n[i]=='\t'){ s=true; } else if(s){ say++; s=false; } } printf("%d",say);

return 0;

}