#include <stdio.h>
int main()
{
char a;
int n;
char b;
if(n%2==0)
{
}
else if(n%2==1)
{
if(a=='h')
{
if(b=='h')
{
}
else if(b=='t')
{
}
}
else if(a=='t')
{
if(b=='t')
{
}
else if(b=='h')
{
}
}
}
return 0;
}
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