#include<bits/stdc++.h>
using namespace std;
int main()
{
int k,ans;
cin>>k;
int m=4-k%4,num;
switch(m)
{
case 1:
num=7;
break;
case 2:
num=14;
break;
case 3:
num=21;
break;
default:
num=28;
}
int val=k-k%28;
if(val+num<=k)
ans=val+num;
else
ans=val-(28-num);
cout<<"number of fours= "<<ans<<endl;
cout<<"number of sevens= "<<k-ans<<endl;
}
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