#include <stdio.h>
#include <stdlib.h>
int main() {
    int *arr = malloc(10000000 * sizeof(int));
    for (int i = 0; i < 10000000; i++) arr[i] = rand();
    int sum = 0;
    for (int i = 0; i < 10000000; i++) sum += arr[arr[i] % 10000000];
    printf("%d\n", sum);
    free(arr);
    return 0;
}