#define _USE_MATH_DEFINES #include #include #include #include #include #include #include #include #include #define ll long long #define dou(s) atof(s.c_str()) #define lon(s) atoll(s.c_str()) #define str(n) to_string(n) #define rep(i,a,b) for(ll i=a;i=a;i--) #define ALL(a) a.begin(),a.end() #define rALL(a) a.rbegin(),a.rend() #define fion(n) fixed<>a>>b; cout<<(sqrt(a*40*a*1600)>b?1:2)<