#include<iostream> using namespace std; int main() { int k; int money=0; int money2=0; bool isPoor=false; for (int i=1; i<=12; i++) { cin >> k; money+=300; money-=k; money2+=money-money%100; money-=money-money%100; if (money<0) { cout << -i; isPoor=true; break; } } if (!isPoor) { money2*=1.2; money+=money2; cout << money; } }