//
// fib.cola
//

public class Fib {
    static void Main() {
        int n = 24, a = 1, b = 1, f = 1, i = 3;

        puts("Algorithm F2 (Fibonacci's function)\n");
        puts("  Calculating fib(");
        puti(n);
        puts(") = ...\n");

        while(i <= n) {
            puti(i);
            puts("\n");
            f = a + b;
            a = b;
            b = f;
            i++;
        }

        puts("  ... = ");
        puti(f);
        puts("\n");
    }
}