2.week number

#include<stdio.h>
main()
{
    int num;
    printf("Enter day number:");
    scanf("%d",&num);
    if(num==1)
        printf("Sunday");

    else if(num==2)
        printf("Monday");
    else if(num==3)
        printf("Tuesday");
    else if(num==4)
        printf("Wednesday");
    else if(num==5)
        printf("Thursday");
    else if(num==6)
        printf("Friday");
    else if(num==7)
        printf("Saturday");
    else
        printf("Invalid input! Please enter week number between 1-7.");



return 0;
}