#include <stdio.h>

int main(void) {
	// your code goes here
int a;
scanf ("%a",&a);
switch (a)
{
case 1:
printf ("星期一\n");
break; 
case 2:
printf ("星期二\n");
break; 
case 3:
printf ("星期三\n");
break; 
case 4:
printf ("星期四\n");
break; 
case 5:
printf ("星期五\n");
break; 
case 6:
printf ("星期六\n");
break; 
case 7:
printf ("星期天\n");
break; 
default: 
printf ("输入错误请重新输入");
break; 
}

	return 0;
}