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#include <string.h>
#include <stdio.h>
int main()
{
int comment = 0;
int col = 0;
char c0, c1;
c0 = getchar();
while (!feof(stdin))
{
c1 = getchar();
if (c1==9)
c1 = 32;
if (col < 71 || c0 == 10) {
putchar(c0);
} else {
if (c1 == 10 || c1 == 13)
{
putchar(c0);
} else {
putchar ('\\');
/*printf ("%d %d %d", col, c0, c1);*/
putchar (10);
putchar (c0);
col=0;
}
}
col++;
if (c0 == 10)
col=0;
c0 = c1;
}
}
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