#include <stdio.h>
int main() {
int day;
printf("Enter day number (1-7): ");
scanf("%d", &day);
switch(day) {
case 1: printf("Sunday\n");
break;
case 2: printf("Monday\n");
break;
case 3: printf("Tuesday\n");
break;
case 4: printf("Wednesday\n");
break;
case 5: printf("Thursday\n");
break;
case 6: printf("Friday\n");
break;
case 7: printf("Saturday\n");
break;
default: printf("Invalid day number\n");
}
return 0;
}