#include<stdio.h>
void subtractArrays(int*a,int*b,int*res,int n)
{
    for(int i = 0; i < n;i++)
    res[i] = a[i]-b[i];
}
int main()
{
    int n;
    scanf("%d",&n);
    if(n <= 0)
    {
        printf("Invalid Input");
        return 0;
    }
    int arr[n],arr2[n],result[n];
    for(int i = 0; i < n;i++)
    scanf("%d",&arr1[i]);
    for(int i = 0;i < n;i++)
    scanf("%d",&arr2[i]);
    for(int i = 0;i < n;i++)
    {
        if(arr1[i] < -1000 || arr1[i] > 1000 || arr2[i] < -1000 || arr2[i]>1000 )
        {
            printf("Element not in Range");
            return 0;
        }
    }
    subtractArrays(arr1,arr2,result,n);
    for(int i = 0; i < n;i++)
    printf("%d",result[i]);
    return 0;
}