int func(int a, int b, int c, int d, int e, int f, int g, int h, 
         int i, int j, int k, int l, int m, int n, int o, int p,
         int q, int r, int s, int t) {
    return i + j + k + l + m + n + o + p + q + r + s + t;
}

int main() {
    return func(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20);
}