#include <stdio.h>

float MyFunction(int number) {

    int result = 1;

    for (int a = 0; a++ < number; a += 8) {

        result = result * (a < 5 ? 3 : 2.5);

    }

    return result;

}

int main() {

    int number=33;

    float result = MyFunction(number);

    printf("The result is: %.2f\n", result);

    return 0;

}