#include <iostream>
#include <cmath>
using namespace std;
int main() {
int n,m,i,a,b,p;
cin>>n>>m;
if (n<m){
a=n;
b=m;}
else {a=m;
b=n;}
for (i=a;i<=b;i+=1){
p=pow((i),3);
if (p%10==4)cout<<i<<endl;}
return 0;
}
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