#1359拿错了

#include <bits/stdc++.h>
int main() {
	int a;
	std::cin>>a;
	for (int i = 6; i <= a; i++) {
		int sum = 0;
		for (int j = 1; j <= i - 1; j++)if (i % j == 0)sum += j;
		if (sum == i) std::cout<<i;
	}
}

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