#include <bits/stdc++.h>

using namespace std;
#define ll long long

ll n,m,sl = 0;
int main()
{
    cin >> n >> m;
    ll s = n*m;
    while(s > 0)
    {
        ll k = min(m,n);
        s -= k*k;
        sl++;
        if(m == k)n-=k;
        else m -= k;
    }
    cout << sl-1;
    return 0;
}