func_code_string: #include <bits/stdc++.h>   using namespace std;   long long f[60][110][2];   long long bin[60], num[60], s, tt;   inline long long rd() {     long long x = 0;     char ch = getchar();     for (; ch <  0  || ch >  9 ; ch = getchar())       ;     for (; ch >=  0  && ch <=  9 ; ch = getchar()) x = x * 10 + ch -  0 ;     return x;   }   int main() {     s = rd();     bin[0] = 1;     for (int i = 1; i <= 51; i++) bin[i] = bin[i - 1] * 2;     long long ans = 0;     for (int h = 1; bin[h] - 1 <= s; h++) {       long long hh = s % (bin[h] - 1);       for (int j = h - 1; j; j--)         if (bin[j] - 1 <= hh) hh -= bin[j] - 1;       ans += (!hh);     }     for (int h0 = 1; h0 <= 50; h0++)       for (int h1 = 1; h1 <= 50; h1++)         if (bin[h0 + 1] + bin[h1 + 1] - 3 <= s - bin[h1] + 1) {           long long hh = (s - bin[h1] + 1) % (bin[h0 + 1] + bin[h1 + 1] - 3);           for (int n = 0; n <= h0 + h1 - 2 && n <= hh; n++) {             tt = 0;             long long now = hh + n;             if (now & 1) continue;             memset(num, 0, sizeof(num));             for (now >>= 1; now; now >>= 1) num[++tt] = now & 1;             memset(f, 0, sizeof(f));             f[0][0][0] = 1;             for (int i = 1; i <= tt; i++)               for (int j = 0; j <= n; j++)                 for (int k = 0; k < 2; k++)                   if (f[i - 1][j][k]) {                     for (int l1 = 0; l1 < 2; l1++)                       for (int l2 = 0; l2 < 2; l2++) {                         if ((i >= h0 && l1) || (i >= h1 && l2)) continue;                         int hh = l1 + l2 + k, now = j + l1 + l2;                         if ((hh & 1) == num[i])                           f[i][now][hh >> 1] += f[i - 1][j][k];                       }                   }             ans += f[tt][n][0];           }         }     printf( %lld n , ans);     return 0;   }   