#include<stdio.h>
int main ()
{
    int paymentAmount,accountBalance,isActive;
    scanf("%d",&paymentAmount);
    scanf("%d",&accountBalance);
    scanf("%d",&isActive);
    if(paymentAmount<=1||paymentAmount>1000000||accountBalance<=1||accountBalance>1000000||isActive<0||isActive>1)
    {
        printf("Invalid input");
        
    }
    else if(accountBalance<paymentamount)
    {
        printf("Inusufficint Balance");
    }
    else if (isActive==0)
    {
        printf("Account Inactive");
    }
    else
    {
        a=accountBalance-paymentAmount;
        printf("%2F",a);
    }
}