/*
 * Write a program to copy its input to its output, replacing each tab by \t,
 * each backspace by \b and each backslash by \\. 
 * This makes tabs and backspaces visible in unambiguous way.
 *
 */
#include <stdio.h>

int main() {
				int c;
				while((c = getchar()) != EOF) {
								if(c =='\t')
												printf("\\t");
								else if(c ==  '\b')
												printf("\\b");
								else if(c == '\\')
												printf("\\\\");
								else
												putchar(c);
				}
				return 0;
}