#include<iostream> using namespace std; int main() { int ys,xjk,zb,ye,zg=0; for(int i=1;i<=12;i++) { cin>>ys; xjk=300-ys; if(xjk<0) { cout<<"-"<<i; break; } zb=xjk/100; ye=xjk%100; xjk+=ye; zg+=zb; } return 0; }