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I don't understand why this isn't working in the Code Challenge... It works perfectly fine in Xcode... it prints 5 through 24 and stops once isComplete is == to true...

variable_assignment.mm
```    int mathTotal;
bool isComplete;

for (int n = 5; n <25; n++) {
n = n + 1;
if (mathTotal <= 25) {
isComplete = true;
}
NSLog(@"%i", n);
}
``` The task states Create a for loop that will begin with a value of 5 and end with a value of 25. In each iteration, add the incrementing value to mathTotal. When the loop has finished running, set 'isComplete' to true. (HINT: the last value used INSIDE the loop should be 25)

you need to loop from 5 up to and including 25. Thats the first thing wrong with your code. You need to use <= 25 not < 25

you also need to add n to mathTotal, not increment n by 1

then since the last value of the loop is going to be 25, we test if n == 25 and if it is we set isComplete to true. You tested if mathTotal <= 25 which is not what the task asked for.

```int mathTotal;
bool isComplete

for (int n = 5; n <= 25; n++) {

mathTotal = mathTotal + n;

if (n == 25) {
isComplete = true ;
}

}
```