#include <stdio.h>
int main(void) {int *a=0;int b=0;int c=0;
int d=0; int e=0;
if(a
==(':')||a
==(',')||a
==(' ')||a
==10){a
=0;c
=0;printf("%c",b
);} else
if(c
==0){c
=1; printf("%c",a
);}
}
}
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