#include <stdio.h>

int main(){
    char trash;
    char scan[9];
    scanf("%c%c%c",&scan[0], &scan[1], &scan[2]);
    scanf("%c%c%c",&trash, &scan[3], &scan[4]);
    scanf("%c%c%c",&scan[5], &trash, &scan[6]);
    scanf("%c%c", &scan[7], &scan[8]);

    int array1_1[] = {':',':',':',
                      ':','o',':',
                      ':',':',':'};

    int array2_1[] = {'o',':',':',
                      ':',':',':',
                      ':',':','o'};

    int array2_2[] = {':',':','o',
                      ':',':',':',
                      'o',':',':'};

    int array3_1[] = {'o',':',':',
                      ':','o',':',
                      ':',':','o'};


    int array3_2[] = {':',':','o',
                      ':','o',':',
                      'o',':',':'};

    int array4_1[] = {'o',':','o',
                      ':',':',':',
                      'o',':','o'};

    int array5_1[] = {'o',':','o',
                      ':','o',':',
                      'o',':','o'};

    int array6_1[] = {'o','o','o',
                      ':',':',':',
                      'o','o','o'};


    int array6_2[] = {'o',':','o',
                      'o',':','o',
                      'o',':','o'};

   int * array[] = {array1_1, array2_1, array2_2,  array3_1, array3_2, array4_1, array5_1, array6_1, array6_2,};

	for(int i = 0; i<9; i++)
	{
		int temp = 0;
		for(int j=0; j<9; j++)
		{
			if(scan[j] != array[i][j])
			{
				temp = 1;
				break;
			}
		}
		if(temp != 1){
			switch(i)
			{
				case 0: printf("1"); break;
				case 1:
				case 2: printf("2"); break;
				case 3:
				case 4: printf("3"); break;
				case 5: printf("4"); break;
				case 6: printf("5"); break;
				case 7:
				case 8: printf("6"); break;
				default: break;
				
			}
			if(temp != 1)
			{
				return 0;
			}
		}

	}

    printf("unknown");
    return 0;
}