// editor2
#include <stdio.h>
int main()
{ 
    int paymentamount;
    int accountbalance;
    int isactive;
       
      if(scanf("%d %d %d",&paymentamount,&accountbalance,&isactive)!=3)
    {
        printf("Invalid input");
        return 1;
    }
    if(paymentamount<0||accountbalance<0||isactive<0||isactive>1)
    {
        printf("Invalid input");
        return 1;
    }
     if(!isactive)
    {
        printf("Account Inactive");
    }
    else if(paymentamount>accountbalance)
    {
        printf("Insufficient Balance");
    }
    else
    {
        printf("%2.f",accountbalance-paymentamount);
    }
    return 0;
    
}