#include <iostream>

using namespace std;
void howMuchUnshift(int a[],int size,int Unshift)
{
    cout<<"if you want unshift write any numbers else 0"<<endl;
    for(int i=0;i<5;i++)
     {
      cin>>Unshift;
      if(Unshift==0)
       {
          i=5;
       }
      if(a[i]==0)
       {
            a[i]=Unshift;
       }
       else
       {
           i=5;
           if(Unshift!=0)
           {
             cout<<"error in number "<<Unshift<<endl;
           }
       }
     }
      for(int i=0;i<5;i++)
       {
         cout<<a[i]<<" ";
       }
       cout<<endl;



}
void howShift(int a[],int size,int shift)
{
    cout<<"if you want shift write number 1 else 0"<<endl;
    for(int i=0;i<5;i++)
     {
      cin>>shift;
      if(shift==0)
      {
          i=5;
      }
      if(a[i]!=0)
      {
            a[i]=0;
      }
     }
      for(int i=0;i<5;i++)
       {
         cout<<a[i]<<" ";
       }
       cout<<endl;


}
void howPop(int a[],int size,int pop)
{
     cout<<"if you want pop write number 1 else 0"<<endl;
    for(int i=4;i>-1;i--)
     {
      cin>>pop;
      if(pop==0)
      {
          i=-1;
      }
      if(a[i]!=0)
      {
            a[i]=0;
      }
     }
      for(int i=0;i<5;i++)
       {
         cout<<a[i]<<" ";
       }
       cout<<endl;

}
void howPush(int a[],int size,int push)
{
    cout<<"if you want push write any number else 0"<<endl;
    for(int i=4;i>-1;i--)
     {
      cin>>push;
      if(push==0)
      {
          i=0;
      }
      if(a[i]==0)
      {
            a[i]=push;
      }
      else
      {
          i=0;
         if(push!=0)
         {
         cout<<"error in number "<<push<<endl;
         }
      }
     }
      for(int i=0;i<5;i++)
      {
        cout<<a[i]<<" ";
      }
      cout<<endl;

}
void obnulit(int a[],int size)
{
    for(int i=0;i<5;i++)
   {
    a[i]=0;
   }
}
int main()
{
   int size=5;
   int a[size];
   int Unshift=0;
   int shift=0;
   int push=0;
   int pop=0;
   while(1==1)
   {
     obnulit(a,size);
     howMuchUnshift(a,size,Unshift);
     howShift(a,size,shift);
     howPop(a,size,pop);
     howPush(a,size,push);
   }



}