```go
package main

import (
	"fmt"
)

func main() {
	var n int
	fmt.Scan(&n)
	for i := 0; i < n; i++ {
		var x int
		fmt.Scan(&x)
		found := false
		for b := 0; b*7 <= x; b++ {
			rem := x - b*7
			if rem%3 == 0 {
				found = true
				break
			}
		}
		if found {
			fmt.Println("YES")
		} else {
			fmt.Println("NO")
		}
	}
}
```