#include<bits/stdc++.h>
using namespace std;
void replacePi(char a[], int i){
if(a[i] == '\0' or a[i+1] == '\0'){
return;
}
if(a[i] == 'p' and a[i+1] =='i'){
int j = i+2;
while(a[j] != '\0'){
j++;
}
while (j>= i+2){
a[j+2] = a [j];
j--;
}
a[i] = '3';
a[i+1] = '.' ;
a[i+2] = '1' ;
a[i+3] = '4';
replacePi(a, i+4);
}
else{
replacePi(a, i+1);
}
return;
}
int main(){
char a[1000];
cin>>a;
replacePi(a,0);
cout<<a<<endl;
return 0;
}