#include <stdio.h>
int main()
{
	char str[2501];
	scanf("%c", str);
	for (int i = 1;str[i - 1] != 'E';i++)
	{
		scanf("%c", &str[i]);
	}
	int a = 0, b = 0;
	for (int i = 0;str[i] != 'E';i++)
	{
		if (str[i] == 'W')
		{
			a++;
		}
		else
		{
			b++;
		}
		if ((a == 11 && b < 10) || (b == 11 && a < 10))
		{
			printf("%d:%d\n", a, b);
			a = 0;b = 0;
			continue;
		}
		if ((a > b + 1 && b > 9) || (b > a + 1 && a > 9))
		{
			printf("%d:%d\n", a, b);
		}
	}
	if (a > 0 || b > 0)
	{
		printf("%d:%d\n", a, b);
	}
	printf("\n");
	a = 0;b = 0;
	for (int i = 0;str[i] != 'E';i++)
	{
		if (str[i] == 'W')
		{
			a++;
		}
		else
		{
			b++;
		}
		if ((a == 21 && b < 20) || (b == 21 && a < 20))
		{
			printf("%d:%d\n", a, b);
			a = 0;b = 0;
			continue;
		}
		if ((a > b + 1 && b > 19) || (b > a + 1 && a > 19))
		{
			printf("%d:%d\n", a, b);
		}
	}
	if (a > 0 || b > 0)
	{
		printf("%d:%d", a, b);
	}
	return 0;
}