#include using namespace std; #define REP(i,N) for(int i=0;i>N; int T[N]; vector S(N); REP(i,N){ cin>>T[i]>>S[i]; if(1000*S[i].size()/12<=T[i]){ count+=S[i].size(); }else{ count+=T[i]*12/1000; } sum+=S[i].size(); } cout<