#include <stdio.h>
#include <stdlib.h>
 
struct DynArray {
    double *data;
    size_t m; // total
    size_t n; // used
};
 
void growarray(struct DynArray *x) {
    size_t newsize = x->m * 13 / 8 + 1; // use phi aproximation 13/8
    double *newarr = realloc(x->data, newsize * sizeof *x->data);
    if (!newarr) exit(EXIT_FAILURE);
    fprintf(stderr, "INFO: realloc'ed with %d elements.\n", (int)newsize);
    x->data = newarr;
    x->m = newsize;
}
 
int main(void) {
    struct DynArray numbers = { 0 };
    double newnum;
    while (scanf("%lf", &newnum) == 1 && newnum != -1) {
        if (numbers.n == numbers.m) growarray(&numbers);
        numbers.data[numbers.n] = newnum;
        numbers.n++;
    }
 
    for (int i = numbers.n - 1; i >= 0; --i) {
        printf("%f\n", numbers.data[i]);
    }
 
    free(numbers.data);
 
    return 0;
}
 

I2luY2x1ZGUgPHN0ZGlvLmg+CiNpbmNsdWRlIDxzdGRsaWIuaD4KCnN0cnVjdCBEeW5BcnJheSB7CiAgICBkb3VibGUgKmRhdGE7CiAgICBzaXplX3QgbTsgLy8gdG90YWwKICAgIHNpemVfdCBuOyAvLyB1c2VkCn07Cgp2b2lkIGdyb3dhcnJheShzdHJ1Y3QgRHluQXJyYXkgKngpIHsKICAgIHNpemVfdCBuZXdzaXplID0geC0+bSAqIDEzIC8gOCArIDE7IC8vIHVzZSBwaGkgYXByb3hpbWF0aW9uIDEzLzgKICAgIGRvdWJsZSAqbmV3YXJyID0gcmVhbGxvYyh4LT5kYXRhLCBuZXdzaXplICogc2l6ZW9mICp4LT5kYXRhKTsKICAgIGlmICghbmV3YXJyKSBleGl0KEVYSVRfRkFJTFVSRSk7CiAgICBmcHJpbnRmKHN0ZGVyciwgIklORk86IHJlYWxsb2MnZWQgd2l0aCAlZCBlbGVtZW50cy5cbiIsIChpbnQpbmV3c2l6ZSk7CiAgICB4LT5kYXRhID0gbmV3YXJyOwogICAgeC0+bSA9IG5ld3NpemU7Cn0KCmludCBtYWluKHZvaWQpIHsKICAgIHN0cnVjdCBEeW5BcnJheSBudW1iZXJzID0geyAwIH07CiAgICBkb3VibGUgbmV3bnVtOwogICAgd2hpbGUgKHNjYW5mKCIlbGYiLCAmbmV3bnVtKSA9PSAxICYmIG5ld251bSAhPSAtMSkgewogICAgICAgIGlmIChudW1iZXJzLm4gPT0gbnVtYmVycy5tKSBncm93YXJyYXkoJm51bWJlcnMpOwogICAgICAgIG51bWJlcnMuZGF0YVtudW1iZXJzLm5dID0gbmV3bnVtOwogICAgICAgIG51bWJlcnMubisrOwogICAgfQoKICAgIGZvciAoaW50IGkgPSBudW1iZXJzLm4gLSAxOyBpID49IDA7IC0taSkgewogICAgICAgIHByaW50ZigiJWZcbiIsIG51bWJlcnMuZGF0YVtpXSk7CiAgICB9CgogICAgZnJlZShudW1iZXJzLmRhdGEpOwoKICAgIHJldHVybiAwOwp9Cg==

MCAxIDEgMiAzIDUgOCAxMyAyMSAzNCA1NSA4OSAxNDQgMjMzIDM3NyA2MTAgOTg3IC0x

0 1 1 2 3 5 8 13 21 34 55 89 144 233 377 610 987 -1