#include <bits/stdc++.h>
using namespace std;
int main() {
int x,sum=0,n=0;
cin >> x;
int c[x];
for(int i=0 ; i < x ; i++)
{
cin >> c[i];
c[i] -= 1;
if(i % 2 == 0)
{
sum += c[i];
n += 1;
}
else
{
i -= 1;
}
}
cout << n << " " << sum << endl;
return 0;
}
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