#include<stdio.h>
int main()
{
    int a,b,c;
    if(scanf("%d %d %d" ,&a,&b,&c) !=3)
    {
        printf("Invalid input");
        return 0;
    };
    if(a<=0 || a>=100000 || b<=0 || b>=1000000 || (c !=0&& c !=1))
    {
        printf("invalid input\n");
        return 0;
    }
    if(c==0)
    {
        printf("Account Inactive\n");
        return 0;
    }
    if(a>b)
    {
        printf("Insufficent Balance");
        return 0;
    }
    float remainingBalance = b-a;
    printf("%.2f\"n,remainingBalance);
    return 0;
}