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

int f(char *a1, char *a2){
	char buf[64];
	char buf1[64];
	char buf2[64];

	strncpy(buf1, a1, 64);
	strncpy(buf2, a2, 64);
	strcpy(buf, buf1);
	strcpy(buf, buf2);

    	return 0;
}

int main(int argc, char * argv[]){
        printf("Target7 running.\n");
        if (argc != 3) {
                fprintf(stderr, "target7: argc != 3\n");
                exit(EXIT_FAILURE);
        }
	f(argv[1], argv[2]);
}