#include<iostream>
using namespace std;
int main(){
  int a=0,b=1,c;
  cout<<a<<" "<<b<<" ";
  for (int i=3;i<=30;i++){
    c=a+b;
	if(i%5==0){
	    cout<<c<<endl;
    }else{
			cout<<c<<" ";
    }
		a=b,b=c;
     }
	return 0;
}

C :

#include<stdio.h>
int main()
{
	int a1,a2,i,a3,s=2;
	a1=0;a2=1;
	printf("%d %d",a1,a2);
	for(i=3;i<=30;i++)
	{
		a3=a1+a2;s++;
		if(s%5==1)printf("%d",a3);else printf(" %d",a3);
		if(s%5==0)printf("\n");
		a1=a2;
		a2=a3;
	}
	return 0;
}

C++ :

#include<iostream>
using namespace std;
int main()
{
  int a=0,b=1,c;
  cout<<a<<" "<<b<<" ";
  for (int i=3;i<=30;++i)
    {
      c=a+b;
		if (i%5==0)
		cout<<c<<endl;
		else
			cout<<c<<" ";
		a=b;b=c;
     }
	return 0;
}