#include <iostream>
#include <functional>
#include <algorithm>
#include <vector>
using namespace std;

typedef long long ll;
ll i,n,a,b,c,ans;
vector<ll> vec;

int main(){
  cin >> n >> ans;
  a = 0;
  b = 1;
  c = 0;
  for(i = 0;i < n;i++){
    if(i != 0){
      a = b;
      b = c;
      c = a + b;
    }
  }
  for(i = 0;i < c;i++){
    if(c % ans == i){
      cout << i << endl;
      break;
    }
  }
  return 0;
}