#include <stdio.h>
#include <stdlib.h>
#include <sys/mman.h>
#include <stdint.h>

int main() {
    void* ptrs[10 * 1024] = {NULL};
    unsigned long block_size = 1 << 30;

    for (int i = 0; i < 10 * (1 << 10); i++) {
        ptrs[i] = mmap(NULL, block_size, PROT_NONE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
    }

    char input[10];
    fgets(input, sizeof(input), stdin);

    for (int i = 0; i < 10 * (1 << 10); i++) {
        munmap(ptrs[i], block_size);
    }

    return 0;
}