#include <stdio.h>

int main ( ) {
    int a , b , c ;
    int s_1 , s_2 , s_3 ;
    int min ;

    while ( ~scanf ( "%d%d%d" , &a , &b , &c ) ) {
        if ( a == b && a == c && b == c ) {
            printf  ( "%d\n\n" , a + b ) ;
            printf ( "Buying any two bells costs %d yen.\n" , a + b ) ;
        }
        else {
            s_1 = a + b , s_2 = a + c , s_3 = b + c ;
            min = s_1 ;
            if ( min > s_2 ) {
                min = s_2 ;
            }
            if ( min > s_3 ) {
                min = s_3 ;
            }

            printf ( "%d\n\n" , min ) ;
            printf ( "    Buying a %d-yen bell and a %d-yen bell costs %d yen.\n" , a , b , a + b ) ;
            printf ( "    Buying a %d-yen bell and a %d-yen bell costs %d yen.\n" , a , c , a + c ) ;
            printf ( "    Buying a %d-yen bell and a %d-yen bell costs %d yen.\n" , b , c , b + c ) ;
            printf ( "The minimum among these is %d yen.\n" , min ) ;
        }


    }
    return 0 ;
}
