Problem7652--[CSES Problem Set] Exponentiation

7652: [CSES Problem Set] Exponentiation

[Creator : ]
Time Limit : 1.000 sec  Memory Limit : 256 MiB

Description

Your task is to efficiently calculate values $a^b$ modulo $10^9+7$.
Note that in this task we assume that $0^0=1$.

Input

The first input line contains an integer $n$: the number of calculations.
After this, there are $n$ lines, each containing two integers $a$ and $b$.

Output

Print each value $a^b$ modulo $10^9+7$.

Constraints

$1≤n≤2⋅10^5$
$0 \le a,b \le 10^9$

Sample 1 Input

3
3 4
2 8
123 123

Sample 1 Output

81
256
921450052

HINT

相同题目:CSES 1095

Source/Category