#include <iostream>
using namespace std;

int main() {
    char username[] = "carlos";
    char cmd[200];
    sprintf(cmd, "reg add HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows\\CurrentVersion\\Run /t REG_SZ /v formula /d C://users//%s//downloads//formula.exe", username);
    cout<<cmd<<endl;
  
    return 0;
}