#include <stdio.h>
#include <stdlib.h>

#define DEBUG 0

int main ( int argc , char * argv[] ) {

    int n;
    int i = 0;
    int hash[300000];
    scanf("%d" , &n);

    for ( i = 0 ; i < 300000 ; i++ ) {
        hash[i] = 0;
    }

    int group = 0;
    int count = 0;
    for ( i = 0 ; i < n ; i++ ) {
        int x;
        scanf("%d" , &x);

        hash[x] = 1;

        // New group when no one is around him
        if ( x > 0 && x < 30000 && hash[x-1] == 0 && hash[x+1] == 0 ) {
            count ++;
        }
        // when person to the left is present
        else if ( x > 0 && x < 30000 && hash[x-1] == 1 && hash[x+1] == 0 ) {
            // no change to count
        }
        // when person to the right is present
        else if ( x > 0 && x < 30000 && hash[x-1] == 0 && hash[x+1] == 1 ) {
            // no change to count
        }
        else if ( x > 0 && x < 30000 && hash[x-1] == 1 && hash[x+1] == 1 ) {
            count --;
        }
        else if ( x == 0 && hash[x+1] == 1 ) {
            // No change to count
        }
        else if ( x == 0 && hash[x+1] == 0 ) {
            count ++;
        }
        else if ( x == 30000 && hash[x-1] == 1 ) {
            // No change to count
        }
        else if ( x == 30000 && hash[x-1] == 0 ) {
            count ++;
        }
        printf("%d\n" , count);
    }
    printf("Justice\n");
    return 0;
}