#include<stdio.h>
int main()
{
    int a,b,C;
    if (scanf("%d",&a) !=1 ||
        scanf("%d",&b) !=1 ||
        scanf("%d",&c) !=1 )
        {
            printf("Invalid input");
            return 0;
        }
        if( c ! = 0 && c ! = 1)
        {
            printf("Invalid input");
        }
        else if( c == 0)
        {
            printf("Acount Inactive");
        }
        else
        {
            if(a>b);
            {
                 printf("Insufficient balance");
            }
            else
            {
                double remaining = (double)b - a
                printf("%.2f",remaining)
            }
        }
        return 0;
    }