#include<bits/stdc++.h>
typedef long long ll;
using namespace std;
int INF = 1e9;
int MOD = 1e9+7;
main(){
    int A,B,max = 1;
    cin >> A >> B;
    for(int i = 2;i <= 100000;i++){
        if(A % i == 0){
            max = A / i;
            break;
        }
    }
    cout << max << endl;
}