04. Special Numbers

package main

import "fmt"

func main() {
    var n  int
    fmt.Scanln(&n)

    for n1 := 1; n1 <= 9; n1++ {
        for n2 := 1; n2 <= 9; n2++ {
            for n3 := 1; n3 <= 9; n3++ {
                for n4 := 1; n4 <= 9; n4++ {
                    if n % n1 == 0 && n % n2 == 0 && n % n3 == 0 && n % n4 == 0 {
                        fmt.Printf("%d%d%d%d ", n1, n2, n3, n4)
                    }
                }
            }
        }
    }
}