#include<stdio.h>

int main ( )

{ char string [ 81 ];

int i , num = 0 , word = 0;

char c ,  gets [ string ] ;

for ( i = 0 ; ( c = string [ i ] ) ! = ' \0 ' ; i + + )

if ( c == ' ' ) word = 0 ;

else if ( word == 0 ) { 

word ==1 , num ++; }

printf ( "There are %d words in this line . \n ",num;

return 0 :  }