# include<iostream> # include<cstring> # include<cstdio> using namespace std; int main(){ int a[100]={0}; for(int i=2;i<=100;i++){ for(int j=1;j<=100;j++){ if(j%i==0) a[j]=!(a[j]); } }for(int i=1;i<=100;i++){ if(a[i]==0) cout<<i<<" "; } return 0; }