#include <bits/stdc++.h>
using namespace std;

void gcd( int x, int y, int &cnt ){
  if( x == 1 and y == 1 )
    return;
  if( not ( x >= y ) )
    ++cnt, swap( x, y );
  if( y == 1 )
    return ( void ) ( cnt += x - 1 );
  cnt += x / y;
  gcd( x % y, y, cnt );
}

signed main(){
  int M, N; cin >> M >> N;
  int g = __gcd( M, N );
  M /= g, N /= g;
  int ans = 0;
  gcd( M, N, ans );
  cout << ans << endl;
  return 0;
}