#include <bits/stdc++.h>
using namespace std;
#include <atcoder/all>
using namespace atcoder;
#define rep(i, n) for (int i = 0; i < (long long)(n); i++)
#define rep2(i, m ,n) for (int i = (m); i < (long long)(n); i++)
#define REP(i, n) for (int i = 1; i < (long long)(n); i++)
typedef long long ll;
#pragma GCC target("avx512f")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#define updiv(N,X) (N + X - 1) / X
#define l(n) n.begin(),n.end()

#define YesNo(Q) Q==1?cout<<"Yes":cout<<"No"
using P = pair<int, int>;
using mint = modint998244353;
const int MOD = 998244353LL;
const ll INF = 999999999999LL;
vector<long long> fact, fact_inv, inv;
/*  init_nCk :二項係数のための前処理
    計算量:O(n)
*/
void init_nCk(int SIZE) {
    fact.resize(SIZE + 5);
    fact_inv.resize(SIZE + 5);
    inv.resize(SIZE + 5);
    fact[0] = fact[1] = 1;
    fact_inv[0] = fact_inv[1] = 1;
    inv[1] = 1;
    for (int i = 2; i < SIZE + 5; i++) {
        fact[i] = fact[i - 1] * i % MOD;
        inv[i] = MOD - inv[MOD % i] * (MOD / i) % MOD;
        fact_inv[i] = fact_inv[i - 1] * inv[i] % MOD;
    }
}
/*  nCk :MODでの二項係数を求める(前処理 int_nCk が必要)
    計算量:O(1)
*/
long long nCk(int n, int k) {
    assert(!(n < k));
    assert(!(n < 0 || k < 0));
    return fact[n] * (fact_inv[k] * fact_inv[n - k] % MOD) % MOD;
}

long long modpow(long long a, long long n, long long mod) {
    long long res = 1;
    while (n > 0) {
        if (n & 1) res = res * a % mod;
        a = a * a % mod;
        n >>= 1;
    }
    return res;
}

ll POW(ll a,ll n){
  long long res = 1;
    while (n > 0) {
        if (n & 1) res = res * a;
        a = a * a;
        n >>= 1;
    }
    return res;
}
struct unionfind{
  vector<int> par,siz;
  void reset(int n){par.resize(n);siz.resize(n);rep(i,n){par[i]=-1;siz[i]=1;}}
  
  int root(int x){
   if(par[x]==-1){return x;}
   else{return par[x] = root(par[x]);} 
  }
  
  bool issame(int x,int y){
   return root(x)==root(y); 
  }
  
  bool unite(int x,int y){
   x = root(x);y=root(y);
   if(x == y){return false;}
   if(siz[x] < siz[y]){swap(x,y);} 
   par[y] = x;
  siz[x] += siz[y];
  return true; 
  }
  
  
 
int size(int x){
 return siz[root(x)]; 
}
 
};
 


int main() {
ll a,b;cin>>a>>b;
if(a==1&&b==0){cout<<0<<endl;}
else{cout << b/(1-a) << endl;}
}