static int findCountOfPairs ( int a , int b , int n ) {
  int ans = 0 ;
  for ( int i = 1 ;
  i <= a ;
  i ++ ) {
    ans += b / n ;
    ans += ( i % n + b % n ) >= n ? 1 : 0 ;
  }
  return ans ;
}

static int findCountOfPairs ( int a , int b , int n ) { int ans = 0 ; for ( int i = 1 ; i <= a ; i ++ ) { ans += b / n ; ans += ( i % n + b % n ) >= n ? 1 : 0 ; } return ans ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (identifier)))) (expression_statement (assignment_expression left: (identifier) right: (ternary_expression condition: (binary_expression left: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (binary_expression left: (identifier) right: (identifier)))) right: (identifier)) consequence: (decimal_integer_literal) alternative: (decimal_integer_literal)))))) (return_statement (identifier))))