#include<bits/stdc++.h>
using namespace std;
int main() {
	int a,b,m,n,sum=0;
	cin>>a>>b>>m>>n;
	int t=1;
	while(true){
		if(a>=m || b>=m){
			break;
		}
		if(t==n){
			break;
		}
		sum=sum+a+b;
		a=b;
		b=sum;
		t++;
		cout<<sum<<endl;
	}
	cout<<sum<<endl; 
    return 0;
}