#include<stdio.h> 
#include<stdlib.h> 
#include<string.h> 

int main(int argc, char** argv) { 
    char buffer[10];
    char secretData[60];
    if (argc < 2) { exit(1); }
    strcpy(secretData, "donkeysAreCoolestAnimal");
     
    strncpy(buffer, argv[1], 10); 
    printf(buffer); 
    return 0; 
}