#include <assert.h>
#include <stdio.h>

int threefourths(int x) {
  int p = x >> 2, q = x & 3;
  return p + (p << 1) + q + ((!q | (x >> 31)) & 1) - 1;
}

int main() {
  int x = 0x88659612;
  for (int i = 0; i < 100; i++) {
    x++;
    assert(threefourths(x) == (long long) x * 3 / 4);
  }
  x = 0x79642695;
  for (int i = 0; i < 100; i++) {
    x++;
    assert(threefourths(x) == (long long) x * 3 / 4);
  }
}