#include <iostream>
using namespace std;
int main() {
// your code goes here
string s="1014867109";
int a[4]={1,3,4,6};
string tempstr="k";
for(int i=0;i<4;i++)
{
s.insert(a[i],tempstr);
}
cout<<s<<" ";
for(int i=0;i<4;i++)
{
s.erase(a[i]-i,1);
}
cout<<s;
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwoKaW50IG1haW4oKSB7CgkvLyB5b3VyIGNvZGUgZ29lcyBoZXJlCglzdHJpbmcgcz0iMTAxNDg2NzEwOSI7CglpbnQgYVs0XT17MSwzLDQsNn07CglzdHJpbmcgdGVtcHN0cj0iayI7Cglmb3IoaW50IGk9MDtpPDQ7aSsrKQoJewoJCXMuaW5zZXJ0KGFbaV0sdGVtcHN0cik7Cgl9Cgljb3V0PDxzPDwiICAgICAgICAgICI7Cglmb3IoaW50IGk9MDtpPDQ7aSsrKQoJewoJCXMuZXJhc2UoYVtpXS1pLDEpOwoJfQoJY291dDw8czsKCXJldHVybiAwOwp9