#include <stdio.h>
/*A really silly way to complete exercise 1-10 of KNR C*/

int main(){

loop_start: /*Goto will circle back to the next line if a != EOF*/
	
	int a = getchar();

	switch (a){
		case EOF:
			break;
		case '\t':
			printf("\\t");
			break;
		case '\b':
			printf("\\b");
			break;
		case '\\':
			printf("\\\\");
			break;
		default:
			putchar (a);
			break;
	}

	if (a != EOF) /*Only trigger next loop if 'a' contains valid data.*/
		goto loop_start;

	return 0;
}