public static void main ( String [ ] args ) {
  Scanner in = new Scanner ( System . in ) ;
  long a , b , c ;
  a = in . nextLong ( ) ;
  b = in . nextLong ( ) ;
  c = in . nextLong ( ) ;
  long arr [ ] = new long [ 3 ] ;
  arr [ 0 ] = a ;
  arr [ 1 ] = b ;
  arr [ 2 ] = c ;
  Arrays . sort ( arr ) ;
  long x , y , z ;
  int count = 0 ;
  if ( ( a + b - c ) / 2 > 0 ) count ++ ;
  if ( ( b + c - a ) / 2 > 0 ) count ++ ;
  if ( ( a + c - b ) / 2 > 0 ) count ++ ;
  if ( count >= 2 && arr [ 0 ] + arr [ 1 ] >= arr [ 2 ] && ( a + b + c ) % 2 == 0 ) {
    x = ( a + b - c ) / 2 ;
    y = ( b + c - a ) / 2 ;
    z = ( c + a - b ) / 2 ;
    System . out . print ( x + " " + y + " " + z ) ;
  }
  else {
    System . out . print ( "Impossible" ) ;
  }
}

public static void main ( String [ ] args ) { Scanner in = new Scanner ( System . in ) ; long a , b , c ; a = in . nextLong ( ) ; b = in . nextLong ( ) ; c = in . nextLong ( ) ; long arr [ ] = new long [ 3 ] ; arr [ 0 ] = a ; arr [ 1 ] = b ; arr [ 2 ] = c ; Arrays . sort ( arr ) ; long x , y , z ; int count = 0 ; if ( ( a + b - c ) / 2 > 0 ) count ++ ; if ( ( b + c - a ) / 2 > 0 ) count ++ ; if ( ( a + c - b ) / 2 > 0 ) count ++ ; if ( count >= 2 && arr [ 0 ] + arr [ 1 ] >= arr [ 2 ] && ( a + b + c ) % 2 == 0 ) { x = ( a + b - c ) / 2 ; y = ( b + c - a ) / 2 ; z = ( c + a - b ) / 2 ; System . out . print ( x + " ▁ " + y + " ▁ " + z ) ; } else { System . out . print ( " Impossible " ) ; } }
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(argument_list)))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) dimensions: (dimensions) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (decimal_integer_literal))))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (decimal_integer_literal)) right: (identifier))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (decimal_integer_literal)) right: (identifier))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (decimal_integer_literal)) right: (identifier))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier)) declarator: (variable_declarator name: (identifier)) declarator: (variable_declarator name: (identifier))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (identifier))) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (expression_statement (update_expression (identifier)))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (identifier))) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (expression_statement (update_expression (identifier)))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (identifier))) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (expression_statement (update_expression (identifier)))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (binary_expression left: (binary_expression left: (array_access array: (identifier) index: (decimal_integer_literal)) right: (array_access array: (identifier) index: (decimal_integer_literal))) right: (array_access array: (identifier) index: (decimal_integer_literal)))) right: (binary_expression left: (binary_expression left: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (identifier))) right: (decimal_integer_literal)) right: (decimal_integer_literal)))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (identifier))) right: (decimal_integer_literal)))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (identifier))) right: (decimal_integer_literal)))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (identifier))) right: (decimal_integer_literal)))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (binary_expression left: (binary_expression left: (binary_expression left: (identifier) right: (string_literal)) right: (identifier)) right: (string_literal)) right: (identifier)))))) alternative: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal))))))))