#include <stdio.h>

int main()
{
    int current, previous = getchar();
    int flag = 1;
    if (previous == EOF) {
	return 0;
    }
    while (1) {			// infinite loop
	current = getchar();
	if (previous == '\n')
	    flag = 1;
	if (current == '/' && previous == '/')
	    flag = 0;
	if (flag)
	    putchar(previous);
	if (current == EOF)
	    return 0;
	previous = current;
    }
}