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#include<bits/stdc++.h>
using namespace std;int n;int main()
{ios::sync_with_stdio(0),cin.tie(0);cin>>n;int a;int ans=0;while(n--){cin>>a;if(a>1){ans++;}}cout<<ans<<"\n";return 0;
}
#include<bits/stdc++.h>
using namespace std;int n;int main()
{ios::sync_with_stdio(0),cin.tie(0);cin>>n;int a;int ans=0;while(n--){cin>>a;if(a>1){ans++;}}cout<<ans<<"\n";return 0;
}