C :

#include <stdio.h>
#include <stdlib.h>
#define MAXN 1000000

int main(void)
{
	char ch;
	int i, w, l;
	char score[MAXN];
	i = 0;
	while ((ch = getchar()) != EOF) {
		if (ch >= 'A' && ch <= 'Z')
			score[i++] = ch;
	}
	score[i] = '\0';
	l = w = 0;
	for (i = 0; score[i] != '\0'; ++i) {
		if (score[i] == 'W')
			w++;
		else if (score[i] == 'L')
			l++;
		else if (score[i] == 'E') {
			printf("%d:%d\n", w, l);
		}
		if ((l >= 11 && abs(l-w) > 1) || 
				(w >= 11 && abs(l-w) >1)) {
			printf("%d:%d\n", w, l);
			l = w = 0;
		}
	}
	putchar('\n');

	w = l = 0;
	for (i = 0; score[i] != '\0'; ++i) {
		if (score[i] == 'W')
			w++;
		else if (score[i] == 'L')
			l++;
		else if (score[i] == 'E') {
			printf("%d:%d\n", w, l);
		}
		if ((l >= 21 && abs(l-w) > 1) || 
				(w >= 21 && abs(l-w) >1)) {
			printf("%d:%d\n", w, l);
			l = w = 0;
		}
	}
	return 0;
}

C++ :

#include<iostream>
#include<cmath>
using namespace std;
int main(){
  char ch[100000];
  int i=0,p=0,q=0,j;

  while(ch[i]!='E'){
	i++;  
	cin>>ch[i];  
  }
  for(j=1;j<=i;j++){
	if(ch[j]=='W')
	  p++;
    else if(ch[j]=='L')
	  q++;
    if(((p>10||q>10)&&abs(p-q)>=2)){
      cout<<p<<':'<<q<<endl;
	  p=q=0;
	}
    if(ch[j]=='E'){
      cout<<p<<':'<<q<<endl;
	  p=q=0;
	}	
  }
  cout<<endl;
  for(j=1;j<=i;j++){
	if(ch[j]=='W')
	  p++;
    else if(ch[j]=='L')
	  q++;
    if(((p>20||q>20)&&abs(p-q)>=2)){
      cout<<p<<':'<<q<<endl;
	  p=q=0;
	}	
    if(ch[j]=='E'){
      cout<<p<<':'<<q<<endl;
	  p=q=0;
	}		
  }
  return 0;
}

Python :

# coding=utf-8
import sys

score = []
me = 0
me2 = 0
other = 0
other2 = 0
real_score = []
real_score2 = []
flag = True

for line in sys.stdin.readlines():
    score.append(line)
for i in score:
    if flag is False:
        break
    for j in i:
        if j == 'W':
            me += 1
            me2 += 1
        elif j == 'L':
            other += 1
            other2 += 1
        elif j == 'E':
            real_score.append('%d:%d' % (me, other))
            real_score2.append('%d:%d' % (me2, other2))
            flag = False
            break
        if (me == 11 and (me - other) >= 2) or ((other - me) >= 2 and other == 11):
            real_score.append('%d:%d' % (me, other))
            me = 0
            other = 0
        elif (me > 11 or other > 11) and abs(me - other) >= 2:
            real_score.append('%d:%d' % (me, other))
            me = 0
            other = 0
        if (me2 == 21 and (me2 - other2) >= 2) or ((other2 - me2) >= 2 and other2 == 21):
            real_score2.append('%d:%d' % (me2, other2))
            me2 = 0
            other2 = 0
        elif (me2 > 21 or other2 > 21) and abs(me2 - other2) >= 2:
            real_score2.append('%d:%d' % (me2, other2))
            me2 = 0
            other2 = 0
if flag:
    real_score.append('%d:%d' % (me, other))
    real_score2.append('%d:%d' % (me2, other2))


for i in real_score:
    print(i)
print()
for j in real_score2:
    print(j)