For problem statement at 1000-1999/1500-1599/1510-1519/1514/problemB.txt this is a correct solution, but verifier at 1000-1999/1500-1599/1510-1519/1514/verifierB.go ends with All 100 tests passed can you fix the verifier? package main

import (
	"bufio"
	"fmt"
	"os"
)

func main() {
	reader := bufio.NewReader(os.Stdin)
	writer := bufio.NewWriter(os.Stdout)
	defer writer.Flush()
	var t int
	if _, err := fmt.Fscan(reader, &t); err != nil {
		return
	}
	for i := 0; i < t; i++ {
		var n, k int
		fmt.Fscan(reader, &n, &k)
		ans := int64(1)
		base := int64(n)
		for k > 0 {
			if k%2 == 1 {
				ans = (ans * base) % 1000000007
			}
			base = (base * base) % 1000000007
			k /= 2
		}
		fmt.Fprintln(writer, ans)
	}
}