// editor2
#include<stdio.h>
int main()
{c
 float a,b;
 int ;
 if(scanf("%f %f %d",&a,&b,&c!=3){
     printf("Invalid input");
     return 0;
 }
 if(a<0||b>1000000||b<0||a)
 printf("Invalid input");
 return 0;
}
if(c==0){
    printf("Account Inactive");
}else if(a>b){
    printf("Insufficent Balance");
}else{
    float remainingBalance=b-a;
    printf("%.2f",remainingBalance);
}
return 0;
}