#include<stdio.h>
int main(){
    int size,ind;
    scanf("%d", &size);
    int arr[size];
    for(ind=0;ind<size;ind++){
        scanf("%d", &arr[ind]);
    }
    for(ind=0;ind<size;ind++){
        if(ind%2 !== 0){
            arr[ind] = 1;
        }
    }
}