四、阅读程序三

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#include <iostream>
#include <cmath>
using namespace std;

int customFunction(int a, int b) {
    if (b == 0) {
        return a;
    }
    return a + customFunction(a, b-1);
}

int main() {
    int x, y;
    cin >> x >> y;
    int result = customFunction(x, y);
    cout << pow(result, 2) << endl;
    return 0;
}