Go language program to take a year as input and tells whether it's a leap year or not

Following program shows you how take a year as input and tells whether it's a leap year or not.

package main

import "fmt"

func main() {

  var input int
  fmt.Println("Enter a year:")
  fmt.Scanf("%d", &input)
  if (input % 4 == 0) {
    if (input % 100 == 0) {
      if (input % 400 == 0) {
    fmt.Println(input , " its a leap year")
    } else {
    fmt.Println(input , " its not a leap year")
  }
  } else {
    fmt.Println(input , " its a leap year")
}
} else {
  fmt.Println(input , " its not a leap year")
}
}

Output:

Example1:

Enter a year:
 2012
2012  its a leap year

Example2:

Enter a year:
 2019
2019  its not a leap year