#include<stdio.h>
int main(){
    int a,b,c;
    scanf("%d",&a);
    scanf("%d",&b);
    scanf("%d",&c);
    if((a==b || a<b)&& c==1){
        printf("%.2f",a-b);
    }
    else if(a>b && c==1){
        printf("Insufficient Balance");
    }
    else{
        printf("Account Inactive");
    }
    return 0;
}