#include <bits/stdc++.h>
using namespace std;
int cnt(int n){
int ans = 0;
while (n != 0){
n/=10;
ans++;
}
return ans;
}
int main(){
int n; cin >> n;
int ans = 0;
for(int i = 1; i <= n;i++){
int x; cin >> x;
ans += cnt(x);
}
cout << ans;
}
I2luY2x1ZGUgPGJpdHMvc3RkYysrLmg+CnVzaW5nIG5hbWVzcGFjZSBzdGQ7CgppbnQgY250KGludCBuKXsKICAgIGludCBhbnMgPSAwOwogICAgd2hpbGUgKG4gIT0gMCl7CiAgICAgICAgbi89MTA7CiAgICAgICAgYW5zKys7CiAgICB9CiAgICByZXR1cm4gYW5zOwp9CgppbnQgbWFpbigpewogICAgaW50IG47IGNpbiA+PiBuOwogICAgaW50IGFucyA9IDA7CiAgICBmb3IoaW50IGkgPSAxOyBpIDw9IG47aSsrKXsKICAgICAgICBpbnQgeDsgY2luID4+IHg7CiAgICAgICAgYW5zICs9IGNudCh4KTsKICAgIH0KICAgIGNvdXQgPDwgYW5zOwp9Cg==