C++ 代码

#include<iostream>
using namespace std;
int a,x,y,z,s;
int main()
{
    cin>>a;
    for (int j=1;j<=a;j++)
    {
        cin>>x;
        s=s+x;
    }
    for (int j=1;j<=a;j++)
    {
        cin>>y;
        z=z+y;
    }
    if (s>=z) cout<<"Yes";
        else cout<<"No";
}