#include <stdio.h>
void substractArrays(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 arr1[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;
    }