实验二2

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