#include <stdio.h>                                         
greeting(char *temp1, char *temp2){                        
        char name[400];
        strcpy(name, temp2);
        printf("Hello %s %s\n", temp1, name);
}       
main(int argc, char * argv[]){
        greeting(argv[1], argv[2]);
        printf("Goodbye %s %s\n", argv[1], argv[2]);
}