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# [Uiua](https://uiua.org), 7 bytes (SBCS)

Function that takes integer as input, returns odd-digit count.

```uiua
/+◿₂⊥₁₀
```

[Uiua Pad this online](https://uiua.org/pad?src=0_19_0-dev_1__eJxdkDsKwzAQRHufYvsU8U-2dQGdK1ERSMCQLqR3zpG7zEmChxiG2U77HuJJJXB7xvmE1xe14vFBvaJeGqwbtjfua3RRopNzGyV644Px0XgyPhmfjS_Gs_e0suj3hRbS0EQa2khDI2loJQ3NpKGdNDSUhpbyp7Q0s_Q_Lh4j-8SHDGOa5kUv3u_JxzQ_I2fDhQ==)

### Explanation

```uiua
/+◿₂⊥₁₀   # 123  example input
    ⊥₁₀   # [3 2 1]  base-10 digit array (LSB first)
  ◿₂      # [1 0 1]  modulo 2
/+        # 2        reduce-add, i.e. sum
```