#include<stdio.h>
int main()
{
    int pay,bal,act;
    float balance;
    scanf("%d",&pay);
    scanf("%d",&bal);
    scanf("%d",&act);
    if(act==0)
    {
        printf("Account Inactive\n",&pay);
        
    }
    else if(pay>bal){
        printf("Insufficient Balance\n",&bal);
    
    }
    else
    {
     printf("%0.2f",balance=bal-pay);
    }
    return 0;
}