Add the correct data type for the following variables:
package main
import ("fmt")
func main() {
  var myNum @(3) = 90
  var myWord @(6) = "Hello"
  var myBool @(4) = true
} 
package main
import ("fmt")
func main() {
  var myNum int = 90
  var myWord string = "Hello"
  var myBool bool = true
}