# C Exercises: Calculate the sum of all number not divisible by 17 between two given integer numbers

## C Basic Declarations and Expressions: Exercise-39 with Solution

Write a C program to calculate the sum of all numbers not divisible by 17 between two given integer numbers.

**Sample Solution:**

**C Code:**

```
#include <stdio.h>
int main() {
int x, y, temp, i, sum=0;
// Prompt for user input
printf("\nInput the first integer: ");
scanf("%d", &x);
printf("\nInput the second integer: ");
scanf("%d", &y);
// Swap values if x is greater than y
if(x > y) {
temp = y;
y = x;
x = temp;
}
// Calculate the sum of numbers not divisible by 17
for(i = x; i <= y; i++) {
if((i % 17) != 0) {
sum += i;
}
}
// Display the sum
printf("\nSum: %d\n", sum);
return 0;
}
```

Sample Output:

Input the first integer: 50 Input the second integer: 99 Sum: 3521

**Flowchart:**

**C Programming Code Editor:**

**Previous:** Write a program that reads two numbers and divide the first number by second number. If the division not possible print "Division not possible".

**Next:** Write a C program to find all numbers which dividing it by 7 and the remainder is equal to 2 or 3 between two given integer numbers.

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