#include<stdio.h>
int main (){
    int paymentAmount,accountBalance,isActive;
    if(scanf("%d",&paymentAmount) !=1||
    scanf("%d",&accountBalance) !=1||
    scanf("%d",&isActive) !=1)
}
 printf("Invalid input");
 return 0;
 }
 if(isActive==0)
 {
     printf("Account Inactive");
 }
 else if(paymentAmount>accountBalance)
 {
     printf("Insufficient Balance");
 }
 else
 {
     float remainingBalance=accountBalance-paymentAmount;
     printf("%.2f",remaingBalance);
 }
 return 0;
 }