#include <iostream>

 #include <cstdio>

 #include <cstring>

 #include <cmath>

 #include <algorithm>

 #include <map>

 #include <vector>

 #include <stack>

 #include <string>

 #include <ctime>

 #include <queue>

 #define mem0(a) memset(a, 0, sizeof(a))

 #define mem(a, b) memset(a, b, sizeof(a))

 #define lson l, m, rt << 1

 #define rson m + 1, r, rt << 1 | 1

 #define eps 0.0000001

 #define lowbit(x) ((x) & -(x))

 #define memc(a, b) memcpy(a, b, sizeof(b))

 #define x_x(a) ((a) * (a))

 #define LL long long

 #define DB double

 #define pi 3.14159265359

 #define MD 10000007

 #define INF maxNum

 #define max(a, b) ((a) > (b)? (a) : (b))

 using namespace std;

 struct Point {

         int x, y, z;

         Point(int n) {

                 int xx = (int)sqrt(n + 0.5);

                 if(xx * xx  < n) xx++;

                 y = xx;

                 z = x = y;

                 int p = (y - ) * (y - );

                 x -= (n - p) / ;

                 p = y * y + ;

                 z -= (p - n) / ;

         }

 };

 int main()

 {

         //freopen("input.txt", "r", stdin);

         int a, b;

         while(~scanf("%d%d", &a, &b)) {

                 Point x(a), y(b);

                 int ans = abs(x.x - y.x) + abs(x.y - y.y) + abs(x.z - y.z);

                 printf("%d\n", ans);

         }

         return ;

 }