#include <bits/stdc++.h>

const int DIM = 1 << 10;
using namespace std;

int N, M, K, node1, node2, cost, Marked[DIM], Good[DIM];
struct edge{ int node, cost; }; vector <edge> Edge[DIM]; int List[DIM][DIM];

class input_reader {
    private:
        FILE *input_file;
        static const int SIZE = 1 << 17;
        char buffer[SIZE]; int cursor;

        inline void advance() {
            if( ++cursor == SIZE ) {
                cursor = 0;
                fread( buffer, SIZE, 1, input_file );
            }

            return;
        }

        inline char current() {
            return buffer[cursor];
        }
    public:
        input_reader( const char *file_name, const char *file_type ) {
            input_file = fopen( file_name, file_type ); cursor = 0;
            fread( buffer, SIZE, 1, input_file );
        }

        input_reader &operator >>( int &value ) {
            value = 0;

            while( current() < '0' || current() > '9' )
                advance();

            while( current() >= '0' && current() <= '9' ) {
                value = value * 10 + ( current() - '0' );
                advance();
            }

            return *this;
        }
} input_file( "pitici.in", "r" );
FILE *output_file = fopen( "pitici.out", "w" );

class nrx_heap{
    private:
        static const int SIZE = 1 << 10; int heap_size;
        struct heap_node{ int val, x, y, cost; } my_heap[SIZE];

        void up( int son ) {
            int father = son / 2;

            if( father && my_heap[son].val < my_heap[father].val ) {
                swap( my_heap[son], my_heap[father] );
                up( father );
            }

            return;
        }

        void down( int father ) {
            int son = father * 2;

            if( son < heap_size && my_heap[son].val > my_heap[son + 1].val )
                son ++;

            if( son <= heap_size && my_heap[son].val < my_heap[father].val ) {
                swap( my_heap[son], my_heap[father] );
                down( son );
            }

            return;
        }
    public:
        bool empty_heap() { return heap_size == 0; }
        int get_best () { return my_heap[1].val; }
        int get_size () { return heap_size;  }
        int get_cost () { return my_heap[1].cost; }
        void clear_heap() { heap_size = 0; return; }

        int get_value( int position ) {
            return my_heap[position].val;
        }

        void erase_node( int position ) {
            int x = my_heap[position].x, y = my_heap[position].y;
            int cost = my_heap[position].cost;
            swap( my_heap[position], my_heap[heap_size] );
            heap_size --;

            up( position );
            down( position );

            if( y < List[x][0] ) {
                my_heap[++heap_size] = { List[x][y + 1] + cost, x, y + 1, cost };
                up( heap_size );
            }

            return;
        }

        void insert_node( int value, int x, int y, int cost ) {
            my_heap[++heap_size] = {value, x, y, cost};
            up( heap_size );
            return;
        }
} my_heap;

void DFS( int node ) {
    Marked[node] = 1;

    if( node == N ) {
        Good[node] = 1;
        List[N][ ++List[N][0] ] = 0;
        return;
    }

    vector <edge> :: iterator it;
    for( it = Edge[node].begin(); it != Edge[node].end(); it ++ ) {
        edge next_node = *it;

        if( !Marked[next_node.node] )
            DFS( next_node.node );
    }

    my_heap.clear_heap();
    for( it = Edge[node].begin(); it != Edge[node].end(); it ++ ) {
        edge next_node = *it;

        if( Good[next_node.node] ) {
            Good[node] = 1;
            my_heap.insert_node( List[next_node.node][1] + next_node.cost, next_node.node, 1, next_node.cost );
        }
    }

    for( int i = 1; i <= K && !my_heap.empty_heap(); i ++ ) {
        int cost = my_heap.get_cost();
        List[node][ ++List[node][0] ] = my_heap.get_best();
        my_heap.erase_node(1);
    }

    return;
}

int main() {

    input_file >> N >> M >> K;

    for( int i = 1; i <= M; i ++ ) {
        input_file >> node1 >> node2 >> cost;
        Edge[node1].push_back( {node2, cost} );
    }

    DFS( 1 );
    sort( List[1] + 1, List[1] + K + 1 );

    for( int i = 1; i <= List[1][0]; i ++ )
        fprintf( output_file, "%d ", List[1][i] );

    return 0;
}