#include <cstdio>
#include <iostream>
#include <cstring>

using namespace std;

#define MaxN 12
#define N 8

int arr [ MaxN ];

int main ( void ){
  for ( int i = 0; i < N; ++i )
    scanf("%d",&arr[i]);

  bool A, B;

  A = B = true;

  for ( int i = 0; i < N; ++i ){
    if ( arr[i] != i + 1 )
      A = false;
    if ( arr[i] != N - i )
      B = false;
  }    

  if ( A )
    puts("uzlazno");
  else  if ( B )
    puts("silazno");
  else 
    puts("razlozeno");

  return 0;
}