#include <cstdio>
void process(int x)
{
for(int i = 0;i<4;i++)
{
unsigned char res = (x & (255 << (i*8))) >> (i*8);
printf("%x " ,res);
}
}
int main()
{
int n;
while (scanf("%d",&n)!=EOF) process(n);
return 0;
}
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