rt

#include <bits/stdc++.h>
using namespace std;
int a[105];
int main () {
	//freopen(".in","r",stdin);
	//freopen(".out","w",stdout);
	int n;
	scanf ("%d",&n);
	for (int i=1;i<=n;i++){
		scanf ("%d",a+i);
	}
	for (int i=1;i<=n-2;i++){
		for (int j=i+1;j<=n-1;j++){
			for (int k=j+1;k<=n;k++){
				if (a[k]==a[i]+a[j]) {
					printf ("%d %d %d",a[k],a[j],a[i]);
					return 0;
				}
			}
		}
	}
	printf ("-1");
	return 0;
}