**Physical Address**

304 North Cardinal St.

Dorchester Center, MA 02124

Pooja would like to withdraw X $US from an ATM. The cash machine will only accept the transaction if X is a multiple of 5, and Pooja’s account balance has enough cash to perform the withdrawal transaction (including bank charges). For each successful withdrawal the bank charges 0.50 $US.

Calculate Pooja’s account balance after an attempted transaction.

Positive integer 0 < X <= 2000 – the amount of cash which Pooja wishes to withdraw.

Nonnegative number 0<= Y <= 2000 with two digits of precision – Pooja’s initial account balance.

Output the account balance after the attempted transaction, given as a number with two digits of precision. If there is not enough money in the account to complete the transaction, output the current bank balance.

**Input:**
30 120.00
**Output:**
89.50

**Input:**
42 120.00
**Output:**
120.00

**Input:**
300 120.00
**Output:**
120.00

```
#include <bits/stdc++.h>
using namespace std;
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.precision(2);
int a;
float b;
cin >> a >> b;
if ((a%5==0) && (b-a-0.5>=0))
{
cout << fixed << b-a-0.5 << endl;
}
else
{
cout << fixed << b << endl;
}
return 0;
}
```

```
n,atm=map(float,input().split())
n=int(n)
if (n+0.5<=atm and n%5==0):
print(float(atm-n-0.5))
else:
print(float(atm))
```

```
import java.util.*;
import java.io.*;
class Solution{
public static void main(String[] args) throws Exception{
InputStreamReader i = new InputStreamReader(System.in);
BufferedReader bf = new BufferedReader(i);
String[] in = bf.readLine().split(" ");
float n = Float.parseFloat(in[0]);
float f = Float.parseFloat(in[1]);
if(n%5==0 && f>=n+0.5f)
System.out.println(f-n-0.5f);
else{
System.out.println(f);
}
}
}
```

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