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


int obrez ( char *x ) {
 char *y ;
 int ln ;
 
 ln = strlen ( x ) ;
 if ( ln == 0 ) return 0 ;
 
 y = x + ln - sizeof ( char )  ;
 while ( *y == ' ' && y != x - sizeof(char) ) { *y = '\0' ;  y -= sizeof ( char ) ;   } 
 
 return ( ln - strlen ( x ) ) ;
}




int main()
{
 char s [100] ;
 int n ;
 
 gets ( s ) ;
 
 n = obrez ( s ) ;
 printf ( "ostalas stroka=%s;   otrezano %d probelov\n" , s , n ) ;    
     
getchar() ; 
return 0;
}