#include <stdio.h>
#include <string.h>
#include <math.h>

int main()
{
    int n, m;
    scanf("%d %d", &n, &m);
    char a[m + 1][n + 1];
    for (int i = 0; i <= m; i++)
    {
        for (int j = 0; j <= n; j++)
        {
            scanf("%c", &a[i][j]);
        }
    }
    for (int j = 0; j <= n; j++)
    {
        for (int i = 0; i <= m; i++)
        {
            if (a[i][j] == '~' && a[i][j + 1] == '#')
            {
                if (a[i + 1][j] == '.')
                {
                    a[i + 1][j] = '~';
                }
                if (a[i - 1][j] == '.')
                {
                    a[i - 1][j] = '~';
                    i = 0;
                }
            }
            if (a[i][j] == '~' && a[i][j + 1] == '.')
            {
                a[i][j + 1] = '~';
            }
        }
    }
    for (int i = 0; i <= m; i++)
    {
        if (a[i][n] == '~')
        {
            printf("Siluman ambis!");
            break;
        }
        else if (i == m)
        {
            printf("Nah gini kan kane");
            break;
        }
    }
}