int main()
{
	int money=0,i,die,mama,flag=1;
	int cost=0;
	for( i=1;i<=12;i++)
	{
		scanf("%d",&cost);
		money+=300;
		money-=cost;
		if(money<0)
	    {
	    	flag=0;
	    	die=i;
	    	break;
		}
	    mama+=(money-cost)/100;
		money%=100;
		
	}
   if(flag==1)
   {
   	money+=mama*120;
   	printf("%d",money);
   }
   else printf("-%d",die);
   return 0;
}
	```