#include <iostream> 
#include <string> 
#include <vector> 
using namespace std; 
 
int main() 
{ 
  vector<string> ss; 
  string s; 
  while(cin>>s) 
    ss.push_back(s); 
 
  for(int i=0;i<ss.size();i++) 
  { 
    for(int j=0;j<ss[i].size();j++)//ss[1].size=wang.size 
      if(islower(ss[i][j]))//單詞中下標為j的字符為小寫字母 
        ss[i][j]=toupper(ss[i][j]); 
    cout<<ss[i]<<" "; 
    if((i+1)%3==0)//每3個單詞為一行輸出 
      cout<<endl; 
  } 
  return 0; 
}