#include <stdio.h>
int main()
{
int x, y, z, a2,a3,a4;
for(x=1780;x;x--)
{
if(x%2==0)
continue;
if((x-1)/4.0>(x-1)/4)
continue;
if((y=(x-1)/4)%2==0)
continue;
z=3*y;
a2=(z-1)/4;
if(a2%2==0)
continue;
a3=3*(a2-1)/4;
if(a3%2==0)
continue;
a4=3*(a3-1)/4;
if(a4%2==0)
{
break;
}
}
return 0;
}
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