import std.algorithm, std.conv, std.range, std.stdio, std.string;
import std.numeric;   // gcd

void main()
{
  auto rd = readln.split.to!(int[]), m = rd[0], n = rd[1];

  auto g = gcd(m, n);
  m /= g;
  n /= g;

  auto r = 0;
  for (; m > 1 || n > 1; ++r) {
    if (m > n) m -= n;
    else swap(m, n);
  }

  writeln(r);
}