text: #include <stdio.h>
  #include <stdlib.h>
  
  int main(int argc, char **argv) {
  	int x;
  	int y;
  
  	if (argc != 3) {
  		printf("Usage: add x y\n");
  		return 1;
  	}
  
  	x = atoi(argv[1]);
  	y = atoi(argv[2]);
  
  	printf("%d\n", x + y);
  	return 0;
  }
  