//By Zank100
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define mod 1000000007
#define din(t) long long t;cin>>t;
#define in(t) cin>>t;
int main()
{
ios_base::sync_with_stdio(false); cin.tie(NULL);
din(A);din(B);
ll ans;
if(B>A)
{
ll a=A-1;
if(B%a<=1)
{
ans=B/a;
}else{
ans=B/a;
ans++;
}
}else if(B==1){
ans=0;
}else{
ans=1;
}
cout<<ans<<endl;
}
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