#include<bits/stdc++.h>
#define int long long
using namespace std;
char s;
int s1,s2,f=1,u=0;
signed main(){
	while(cin>>s&&s!='E'){
		if(s=='E')break;
		if(s=='F')s1++;
		if(s=='A')s2++;
        if(s1==10&&s2==10){
        	f=0;
        }
		if(f==1&&(s1==11||s2==11))cout<<s1<<":"<<s2<<"\n",s1=0,s2=0,u=1;
		if(f==0&&abs(s1-s2)==2)cout<<s1<<":"<<s2<<"\n",s1=0,s2=0,f=1,u=1;
	}
	if(s1>0||s2>0)cout<<s1<<":"<<s2<<"\n";
	return 0;
}