程序代码：

#include<stdio.h>
main ()
{
    int Language,Publisher,Book Number,Check digit;
   
    printf(" Enter ISBN: \n");
    scanf("%d-%d-%d-%d",&Language,&Publisher,&Book Number,&Check digit);
    printf("Language: %d \nPublisher: %d\n",Language,Publisher);
    printf("Book Number: %d\nCheck digit: %d\n",Book Number,Check digit);
    return 0;
}

程序代码：

# include <stdio.h>
int main (void)
{
    int Language, Publisher, Book_Number, Check_digit; //把空格改为下划线了
  
    printf(" Enter ISBN: \n");
    scanf("%d-%d-%d-%d", &Language, &Publisher, &Book_Number, &Check_digit);
    printf("Language: %d \nPublisher: %d\n", Language, Publisher);
    printf("Book Number: %d\nCheck digit: %d\n", Book_Number, Check_digit); 

    return 0;
}