#include <stdio.h>
int main( void )
{
    char ch;
    printf( "h for hex, d for decimal ...\n" );
    scanf( "%c", &ch );
    switch ( ch )
    {
        case 'b':
            printf( "binary\n" );
            break;
        case 'o':
            printf( "octal\n" );
            break;
        case 'd':
            printf( "decimal\n" );
            break;
        case 'h':
            printf( "hexadecimal\n" );
            break;
        default:
            printf( "I got something else!\n" );
	    break;

    }
}