#include <ctype.h>
#include <stdio.h>

int process_file(FILE* file)
{
	int ch1 = 0, ch2 = 0, ch3 = 0, ini_word = 1;
	for ( ch1 = fgetc(file); ch1 != EOF; ch1 = ch2)
	{
		ch2 = fgetc(file);
		if ( ! ini_word && isalpha(ch1) && isalpha(ch2) )
		{
			if ( isalpha(ch3 = fgetc(file)) )
				printf("%c%c", ch2, ch1);
			else
				printf("%c%c", ch1, ch2);
			ch2 = ch3;
		}
		else
			putchar(ch1);

		ini_word = isspace(ch1);
	}
	return 0;
}

int process_filename(const char* filename)
{
	FILE* file = fopen(filename, "r");
	return file ? process_file(file) : 1;
}

int main(int argc, char* argv[])
{
	int result = 0, i = 1;
	for ( ; i < argc; ++i )
		result += process_filename(argv[i]);

	return result;
}