package main
import (
"fmt"
"piscine"
)
func main() {
fmt.Println(piscine.Gcd(42, 10))
fmt.Println(piscine.Gcd(42, 12))
fmt.Println(piscine.Gcd(14, 77))
fmt.Println(piscine.Gcd(17, 3))
}