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

#define MEMORY_SIZE 30000

int main(int argc, char *argv[])
{
	int c = 0;
	argv++; // Program name

	while(--argc){
		const char *filename = *argv++;
		char *memory = calloc(1, MEMORY_SIZE), *pointer = memory;

		FILE *fd = fopen(filename, "r");
		assert(fd);

		fseek(fd, 0, SEEK_END);
		int file_size = ftell(fd);
		rewind(fd);

		char* file_pointer = malloc(file_size+1), *file_cnt = file_pointer;
		fread(file_pointer, 1, file_size, fd);
		file_cnt[file_size] = 0;
		fclose(fd);

		for(;*file_cnt != '\0'; file_cnt++){
			switch (*file_cnt) {
				case '>': // Increment the data pointer by one (to point to the next cell to the right).
					pointer++;
					break;
				case '<': // Decrement the data pointer by one (to point to the next cell to the left).
					pointer--;
					break;
				case '+': // Increment the byte at the data pointer by one.
					(*pointer)++;
					break;
				case '-': // Decrement the byte at the data pointer by one.
					(*pointer)--;
					break;
				case '.': // Output the byte at the data pointer.
					printf("%c", *pointer);
					break;
				case ',': // Accept one byte of input, storing its value in the byte at the data pointer.
					scanf("%c", pointer);
					break;
				case '[': // If the byte at the data pointer is zero, then instead of moving the instruction pointer forward to the next command, jump it forward to the command after the matching ] command.
					if(*pointer == 0)
						while(*++file_cnt != ']' || c != 0){
							if(*file_cnt == '[')
								c++;
							else if(*file_cnt == ']')
								c--;
						}
					break;
				case ']': // If the byte at the data pointer is nonzero, then instead of moving the instruction pointer forward to the next command, jump it back to the command after the matching [ command.
					if(*pointer != 0)
						while(*--file_cnt != '[' || c != 0){
							if(*file_cnt == ']')
								c++;
							else if(*file_cnt == '[')
								c--;
						}
					break;
				default:
					break;
			}
		}
		free(memory);
		free(file_pointer);
	}
	return 0;
}