#include <stdio.h>
#include <stdlib.h>
int main() {
double x=1;
double y=0;
if (x!=y)
{
}
if (x=y)
{
}
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CiNpbmNsdWRlIDxzdGRsaWIuaD4KCgppbnQgbWFpbigpIHsKCmRvdWJsZSB4PTE7CmRvdWJsZSB5PTA7CgppZiAoeCE9eSkKewpwcmludGYoInghPXlcbiIpOwp9CmlmICh4PXkpCnsKcHJpbnRmKCJ4PXlcbiIpOwp9CgpyZXR1cm4gMDsKfQ==