OJ-Problems-Source/HDOJ/5874_qq_33184171.cpp

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#include <bits/stdc++.h>
using namespace std;
using LL = long long;
int main()
{
LL m,n;
while(~scanf("%I64d %I64d",&m,&n))
{
LL ans = m/2*(m-m/2);
if( ans <= n) puts("T");
else puts("F");
}
return 0;
}