01. Unique PIN Codes

package main

import "fmt"

func main() {
    var x, y, z int
    fmt.Scanln(&x)
    fmt.Scanln(&y)
    fmt.Scanln(&z)

    for i := 2; i <= x; i += 2 {
        for j := 2; j <= y; j++ {
            if j == 2 || j == 3 || j == 5 || j == 7 {
                for k := 2; k <= z; k += 2 {
                    fmt.Printf("%d %d %d\n", i, j, k)
                }
            }
        }
    }
}