#include #include #include using namespace atcoder; using mint = modint998244353; using namespace std; #define rep(i,n) for (int i = 0; i < (n); ++i) #define Inf 1000000 int main(){ int n; cin>>n; int ans = 0; int miss = 0; rep(i,n){ int t; string s; cin>>t>>s; int x = s.size(); int y = (t*12)/1000; ans += min(x,y); miss += x-min(x,y); } cout<