1 #include<stdio.h> 2 #include<iostream> 3 #include<algorithm> 4 #include<math.h> 5 #include<string.h> 6 #include<string> 7 #include<map> 8 #include<set> 9 #include<vector>10 #include<queue>11 #define M(a,b) memset(a,b,sizeof(a))12 using namespace std;13 typedef long long ll;14 const int inf=0x3f3f3f;15 int main(){16     ll q,p;17     while(~scanf("%lld%lld",&q,&p)){18         ll z=q/2;19         ll x=q-z;20         if(z*x>p) printf("F\n");21         else printf("T\n");22     }23     return 0;24 }25 /*26 27 28 29 */