#include<stdio.h>
#include<conio.h>

int main()
{

int day; //1-mon, 2-tue, 3-wed...
printf("enter day(1-7) :");
scanf("%d", &day);

switch (day) {
	case 1 : printf("monday \n");
			 break;
	case 2 : printf("tuesday \n");
			 break;
	case 3 : printf("wednesday \n");
			 break;
	case 4 : printf("thursday \n");
			 break;
	case 5 : printf("friday \n");
			 break;
	case 6 : printf("saturday \n");
			 break;
	case 7 : printf("sunday \n");
			 break;
			 
	default: printf("not a valid day!");
			 
}









return 0;
}