Submission #1359230

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Source Code Expand

#include<algorithm>
#include<iostream>
#include<utility>
#include<string>
#include<vector>
#include<cmath>
#include<stack>
#define rep(i,n) for(int i=0;i<n;i++)
#define loop(i,x,n) for(int i=x;i<n;i++)
using namespace std;
const double INF=1000000000;

int main(){
  string s;
  getline(cin,s);
  if(s.size()<4&&s[0]=='L'){
    cout<<'<'<<endl;
  }else if(s.size()<5&&s[0]=='R'){
    cout<<'>'<<endl;
  }else if(s.size()<7&&s[0]=='A'){
    cout<<'A'<<endl;
  }else{
    if(s[0]=='L')cout<<'<'<<' ';
    else if(s[0]=='R')cout<<'>'<<' ';
    else if(s[0]=='A')cout<<'A'<<' ';
    loop(i,1,s.size()){
      if(s[i]==' '){
	if(s[i+1]=='L'){
	  if(i+5==s.size()){
	    cout<<'<';
	  }else cout<<'<'<<' ';
	}
	else if(s[i+1]=='R'){
	  if(i+6==s.size()){
	    cout<<'>';
	  }else cout<<'>'<<' ';
	}
	else if(s[i+1]=='A'){
	  if(i+8==s.size()){
	    cout<<'A';
	  }else cout<<'A'<<' ';
	}
      }
    }
    cout<<endl;
  }
  return 0;
}

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