工作日休息日

#include 
  int main() {
      int days;
             printf("输入一个整数: \n");
                 scanf("%d",&days);
                          if(1<=days&&days<=5)
                              printf("workdays, fighting\n");
                                  else if(6<=days&&days<=7)
                                          printf("weekend, relax~\n");
                                 else     printf("Ooops, not in 1~7\n");
                                                      return 0; 
                                                       }