#include<stdio.h>
int main()
{
    float pa,ab;
    int ia;
    if(scanf("%f\n",&pa) !=1||
    sacnf(" %f\n",&ab) !=1||
    scanf("%d\n",&ia) !=1)
    {
        printf("Invaild input");
    }
    else if(ia!=1)
    {
        printf("Account Inactive");
    }
    else if(pa>ab)
    {
        printf("Insufficient Balance");
    }
    else 
    {
        float remaining=ab-pa;
        printf("%.2f\n",remaining);
    }
}