// source problem :
#include <bits/stdc++.h>
using namespace std;
#define all(x) x.begin(), x.end()
#define int long long
#define MASK(i) (1LL << (i))
void ckmax(int& f, int s)
{
f = (f > s ? f : s);
}
void ckmin(int& f, int s)
{
f = (f < s ? f : s);
}
int32_t main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
int n;
cin >> n;
int ans = 0;
for (int i = 0; i < n; i++)
{
int x;
cin >> x;
if (x % 10)
{
int p = x % 10;
x /= 10;
int f = 1;
for (int j = 0; j < p; j++) f *= x;
ans += f;
}
else ans++;
}
cout << ans;
return 0;
}
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