#include <stdio.h>
int n;
void cat_data(int *data1, const int *data2, int len2) {
    int i;
    scanf("%d",&n);
    for(i = 0; i < len2; i++) {
        data1[n + i] = data2[i]; 
    }
}
 
int main(void) {
    int data1[7] = {1, 2,3,4,5,6,7};  
    int data2[5]  = {3, 4, 5, 6, 7};        
 
    int len2 = sizeof(data2) / sizeof(data2[0]);  
 
    cat_data(data1, data2, len2);
 
    for (int i = 0; i < n + len2; i++) {
        printf("%d ", data1[i]);
    }
    printf("\n");
 
    return 0;
}
 

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