#include <stdio.h>

int main(void)
{
	char *s0="0.00000000",*s1="+0.00000000",*s2="-0.00000000",s[100];
	scanf("%99s",s);
	if( strstr(s0,s)==s0 || strstr(s1,s)==s1 || strstr(s2,s)==s2 ||
	    strstr(s,s0)==s || strstr(s,s1)==s || strstr(s,s2)==s	)
		puts("0");
	return 0;
}