5

#include<stdio.h>
int main()
{
    int week;
    printf("Enter week Number (1-7): ");
    scanf("%d",&week);

    if(week==1)
    {
        printf("Friday");
    }
    else if(week==2)
    {
        printf("Saturday");
    }
    else if(week==3)
    {
        printf("sunday");

    }
    else if(week==4)
    {
        printf("Monday");
    }
    else if(week==5)
    {
        printf("Tuesday");
    }
    else if(week==6)
    {
        printf("Wednesday");
    }
    else if(week==7)
    {
        printf("Thursday");
    }
    else
    {
        printf("Input Invalid!");
    }
    return 0;

}