#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; typedef long long ll; typedef unsigned long long ull; static const double EPS = 1e-8; static const double PI = 4.0 * atan(1.0); static const double PI2 = 8.0 * atan(1.0); #define REP(i,n) for(int i=0;i<(int)n;++i) #define ALL(c) (c).begin(),(c).end() #define CLEAR(v) memset(v,0,sizeof(v)) #define MP(a,b) make_pair((a),(b)) #define ABS(a) ((a)>0?(a):-(a)) #define FOR(i,s,n) for(int i=s;i<(int)n;++i) int N, M; int gcd(int a, int b) { if (a < b) return gcd(b, a); if (a % b == 0) return b; else gcd(b, a % b); } int solve(int n, int m) { int g = gcd(n, m); n /= g; m /= g; if (m == 1) return n - 1; if (n < m) return 1 + solve(m, n); return n / m + solve(n % m, m); } int main(int argc, char **argv) { cin >> N >> M; cout << solve(N, M) << endl; return 0; }