#include<stdio.h>
#include<stdlib.h>
#include<math.h>
void nhap(int n, int *arr){
	int i;
	for(i = 0; i<n;i++){
		printf("arr[%d]: ", i);
		scanf("%d", &arr[i]);
	}
	printf("\n");
}

void chen(int *arr3, int *arr1, int *arr2, int n, int m, int size){
	int i,k, j ;
	do {
		printf("Enter K: ");
		scanf("%d", &k);
	}while ( k < 0 && k >= n);

	for ( i = 0; i < size; i++){
		arr3[i] = arr1[i];
		if( i == k){
			for ( j = 0; j<m; j++){
				arr3[k] = arr2[j];
				k++;
			}
			printf("%d \n", k);
			while( k < size){	
				arr3[k] = arr1[];
				k++;	
			}
			break;
		}
	}
	printf("%d \n", k);
}

void hienthi(int size, int *arr3){
	int i;
	for(i=0; i<size; i++){
		printf("arr[%d] = %d  ", i , arr3[i]);
	}
}

int main(){
	int arr1[100];
	int arr2[100];
	int n,m;
	printf("size of arr1: ");
	scanf("%d", &n);
	printf("Arr1\n");
	nhap(n, arr1);
	printf("size of arr2: ");
	scanf("%d", &m);
	printf("Arr2\n");
	nhap(m, arr2);
	int size = n+m;
	int arr3[size];
	chen(arr3, arr1, arr2, n, m, size);
	hienthi(size, arr3);

return 0;
}