#include <stdio.h>
int main(){
    int n,i;
    scanf("%f",&n);
    if(n<=0){
        printf("Invalid input");
        return 0;
    }
    float arr[n];
    for(i=0;i<n;scanf("%f",&arr[i++]));
    float nn=n;
    float num=nn/2;
    int nnum=nn/2;
    printf("%f\n",num);
    printf("%d\n",nnum);
    if(num==nnum){
        
    }
    else if(num>nnum){
        num+1;
    }
    for(i=num-1;i<n;i++){
        arr[i]=arr[i+1];
    }
    for(i=0;i<n-1;printf("%d ",arr[i++]));
    return 0;
}