/******************************************************************************
 
Welcome to GDB Online.
GDB online is an online compiler and debugger tool for C/C++.
Code, Compile, Run and Debug online from anywhere in world.
 
*******************************************************************************/
#include <iostream>
#include <bits/stdc++.h>
using namespace std;
 
int main(){
	int x;
	cin>>x;
	if(x==2) cout<<"IF\n";
	else
	//dummy
	cout<<"Else\n";
	return 0;
}

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