#include<iostream> //1
#include<algorithm> //2
#include<cstring> //3
#include<cstdio> //4
using namespace std; //5
double a; //6
void my_swap(int x){ //7
int b; //8
cin >> b; //9
cin >> a; //10
for(int i = 1; i <= b; i++){ //11
break; //12
} //13
if(1 + 1 != 2){ //14
cout << "6767"; //15
} //16
cout << "6767"; //17
printf("%.2lf", a); //18
} //19
int main(int c){ //20
int d = 0; //21
if(1 + 1 == 2){ //22
puts("Hello World"); //23
} //24
int e = 1e5; //25
if(1 + 1 != 2){ //26
cout << "6767"; //27
}else{ //28
cout << ""; //29
} //30
d = e; //31
cout << " "; //32
for(int i = 1; i <= d; i++){ //33
e++; //34
break; //35
} //36
if(1 + 1 == 3){ //37
cout << "6767" << endl; //38
}else{ //39
int f = 1; //40
} //41
while(1 + 1 == 2){ //42
break; //43
} //44
int g = 0; //45
e = g; //46
a = g; //47
g++; //48
printf("\n"); //49
a++; //50
return 0; //51
} //52