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

int main( int argc, char *argv[] ){
	if( argc == 2 ) {

		unsigned int horizontal = 0;
		unsigned int depth = 0;

		FILE *fp=fopen(argv[1], "r");
		while (!feof (fp)){
			char direction[7] = "";
			int amount = 0;
			fscanf(fp, "%s %d\n", direction, &amount);


			if ( strcmp(direction,"forward") == 0 )
				horizontal+=amount;
			else if ( strcmp(direction,"down") == 0 )
				depth+=amount;
			else if ( strcmp(direction,"up") == 0 )
				depth-=amount;
			else
				printf("Hopefully we don't get here\n");
		

		}

		printf("Horizontal: %d\n", horizontal);
		printf("Depth: %d\n", depth);
		printf("Product: %d\n", horizontal * depth);
		fclose(fp);



		return 0;
	} else {
		printf("You need to provide a file\n");
		return 1;
	}
}