C语言的enum枚举类型

#include <stdio.h>
void main()
{
    enum week{ Mon = 1, Tues, Wed, Thurs, Fri, Sat, Sun } a,b,c;//a,b,c的变量效果是一致的
    scanf("%d", &b);
    switch(b)
	{
        case Mon: puts("Monday"); break;
        case Tues: puts("Tuesday"); break;
        case Wed: puts("Wednesday"); break;
        case Thurs: puts("Thursday"); break;
        case Fri: puts("Friday"); break;
        case Sat: puts("Saturday"); break;
        case Sun: puts("Sunday"); break;
        
    }
	getchar();
	getchar();
	getchar();

}