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

void vuln(const char* name){
        printf("Hello, who are you ?\n");
        char buffer[42];
        strcpy(buffer, name);
        printf("Nice to meet you %s ! And my name is JohnCena !!\n", buffer);
}

int main(int argc, char ** argv){
        if (argc < 2){
                printf("Need one arg plz\n");
                return 1;
        }
        vuln(argv[1]);
        return 0;
}