#include<stdio.h>
#include<string.h>
enum
day{sun=0,mon,tue,wed,thu,fri,sat};
enum day tomorrow(enum day d)
{
enum day nd;
switch(d)
{
case sun:
nd=mon;break;
case mon:
nd=tue;break;
case tue:
nd=wed;break;
case wed:
nd=thu;break;
case thu:
nd=fri;break;
case fri:
nd=sat;break;
case sat:
nd=sun;break;
}
return (nd);
}
int main()
{
enum day xx,yy;
char str[5];
printf("please input
current date:");
scanf("%s",str);
if(strcmp(str,"sun")==0)xx=sun;
else
if(strcmp(str,"mon")==0)xx=mon;
else
if(strcmp(str,"tue")==0)xx=tue;
else
if(strcmp(str,"wed")==0)xx=wed;
else
if(strcmp(str,"thu")==0)xx=thu;
else
if(strcmp(str,"fri")==0)xx=fri;
else
if(strcmp(str,"sat")==0)xx=sat;
yy=tomorrow(xx);
switch(yy)
{
case sun:printf("tomorrow is sun\n");break;
case mon:printf("tomorrow is mon\n");break;
case tue:printf("tomorrow is tue\n");break;
case
wed:printf("tomorrow is wed\n");break;
case thu:printf("tomorrow is thu\n");break;
case fri:printf("tomorrow is fri\n");break;
case sat:printf("tomorrow is sat\n");break;
}
return
0;
}
