import sys
#input = sys.stdin.readline
input = sys.stdin.buffer.readline #文字列はダメ
#sys.setrecursionlimit(1000000)
#import bisect
#import itertools
#import random
#from heapq import heapify, heappop, heappush
#from collections import defaultdict 
#from collections import deque
#import copy
#import math
#from functools import lru_cache
#@lru_cache(maxsize=None)
#MOD = pow(10,9) + 7
#MOD = 998244353
#dx = [1,0,-1,0]
#dy = [0,1,0,-1]
#dx8 = [1,1,0,-1,-1,-1,0,1]
#dy8 = [0,1,1,1,0,-1,-1,-1]

def calc(X):
    n = len(X)
    for i in reversed(range(n-1)):
        if i == n-2:
            a = X[i]
            b = X[i+1]
            c = 1
        else:
            a = X[i]
        nc = b
        nb = a*b + c
        b,c = nb,nc
    #print(b,c)
    return b,c

def main():
    P,Q = map(int,input().split())
    A = [0]
    while True:
        #print(P,Q)
        v = Q // P
        if P == 1:
            #print("last",A)
            if Q != 1:
                A.append(Q-1)
            A.append(1)
            break
        A.append(v)
        q = Q; p = P
        P = q - p*v
        Q = p
    #print(A)
    P0,Q0 = calc(A[:-1])
    P1,Q1 = calc(A[:-2])
    ans = P0 + Q0 + P1 + Q1
    print(ans)
                
if __name__ == '__main__':
    main()