#include<iostream> using namespace std; int main() { int n, m; //n灯，m人 cin >> n >> m; int a[n+1] = {0}; for (int j = 1; j <= m; j++) { for (int i = 1; i <= n; i++) { if (i % j == 0) { a[i]++; } } } cout<<1; for(int i=2;i<=n;i++){ if(a[i] % 2 == 1){ cout<<","<<i; } } }