#include <stdio.h>
#include <stdlib.h>
int main()
{
int i;
for(i=0;i<16;++i)
{
prev=tmp;
}
for(i=0;i<16;++i)
{
prev=tmp;
}
for(i=0;i<16;++i)
{
prev=tmp;
}
return 0;
}
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