#include <stdio.h>
#include <string.h>
int main() 
{
    char str[100];
    scanf("%s", str);
    int len = strlen(str);
    int first = -1, count = 0;
    for (int i = 0; i < len; i++) 
	{
        if (str[i] == 'k') 
		{
            if (count == 0) {
                first = i;
            }
            count++;
            printf("%d ", i);
        }
    }
    if (first == -1) {
        printf("Not found!");
    }
    return 0;
}