#include <stdio.h>
#include<math.h>
int main(){
    int withdrwal_amount;
    int current_balance;
    int account_status;
    double updated_balance;
    scanf("%d",&withrawal_amount);
    scanf("%d",&current_balance);
    scanf("%d",&account_status);
    
    if(account_status!=1){
        printf("Account Inactive");
    }else if(withrawal_amount > current_balance){
        printf("Insufficient Balnce");
    }else{
        updated_balance =(double)current_balance - withdrawal_amount;
        printf("%,2f\n",round(updated_balnce*100/100);
    }
    return 0;
    
}