#include int main() { int day_number; printf("Enter the day number: "); scanf("%d", &day_number); switch(day_number) { case 1: printf("Sunday"); case 2: printf("Monday"); case 3: printf("Tuesday"); case 4: printf("Wednesday"); case 5: printf("Thursday"); case 6: printf("Friday"); case 7: printf("Saturday"); default: printf("Error"); } }