#include<stdio.h>
int main()
{
    int pay,bal,active;
   if(scanf("%d",&pay)!=1 ||
   scanf("%d",&active)!=1 ||
       print("Invalid input");
       return 0;
    }
    if(pay < 0 || bal > 0 ||(active != 0 && active != 1)){
    printf("Invavid input");
    }else if (active == 0) {
    printf("Account Inactive");    
    }else if (pay > bal){
    printf("Insufficient Balance");
    }else{
        float result=bal - pay;
     printf("%.2f",result);
    }
    return 0;
}