Binary Exponentation Recursion using C++

#include <bits/stdc++.h>

using namespace std;

const int MOD = (int) 1e9 + 7;

int Power(int a, int b) {
    if (b == 0) {
        return 1;
    }
    if (b == 1) {
        return a;
    }
    int ret = Power(a, b / 2);
    if (b % 2 == 0) {
        return (ret * ret) % MOD;
    } else {
        return ((ret * ret) % MOD * a) % MOD;
    }
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    int x, y;
    cin >> x >> y;
    cout << Power(x, y) << '\n';
    return 0;
}