_ f(cs) {
  return (cs~load_uint(8), cs~load_uint(8), cs~load_uint(8), cs~load_uint(8), 
          cs~load_uint(8), cs~load_uint(8), cs~load_uint(8), cs~load_uint(8),
          cs~load_uint(8), cs~load_uint(8), cs~load_uint(8), cs~load_uint(8),
          cs~load_uint(8), cs~load_uint(8), cs~load_uint(8), cs~load_uint(8),
          cs~load_uint(8), cs~load_uint(8), cs~load_uint(8), cs~load_uint(8));
}

_ main(cs) {
  var (x0, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10,
       x11, x12, x13, x14, x15, x16, x17, x18, x19) = f(cs);
  return x0 + x1 + x2 + x3 + x4 + x5 + x6 + x7 + x8 + x9
       + x10 + x11 + x12 + x13 + x14 + x15 + x16 + x17 + x18 + x19;
}