15

#include<bits/stdc++.h>
using namespace std;
int a[500005],b[100005],num,mum;
int main()
{

//	freopen("rubbish.in","r",stdin);
//	freopen("rubbish.out","w",stdout);
		int n,m;
		cin>>n>>m;
		for(int j=1;j<=n;j++){
		cin>>a[j];
		num+=a[j];
		}
		for(int j=1;j<=m;j++){
		cin>>b[j];
		mum+=b[j];
		}
		if(num>mum)
		}

	return 0;
}

#include<bits/stdc++.h> using namespace std; int n,m,a[50000],b[50000]; int main() { freopen("rubbish.in","r",stdin); freopen("rubbish.out","w",stdout); cin>>n>>m; for(int i=1;i<=n;i++) { cin>>a[i]; } for(int i=1;i<=m;i++) { cin>>b[i]; } cout<<-1; return 0; }

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