#include<bits/stdc++.h> 
using namespace std;
int main()
{
	int n,m;
	cin>>n>>m;
	for(int i=1;i<=n;i++){
		if(i%m==0) continue;
		cout<<i<<endl;
	}
	return 0;
}

#include<bits/stdc++.h>
using namespace std;
int main()
{
    int a,b;
    cin>>a>>b;
    for(int i=1;i<=a;i++)if(i%b!=0)cout<<i<<endl;
}

C++ :

#include<bits/stdc++.h> 
using namespace std;
int main()
{
	int n,m;
	cin>>n>>m;
	for(int i=1;i<=n;i++){
		if(i%m==0) continue;
		cout<<i<<endl;
	}
	return 0;
}