Need help fixing my code it is suppose to output

The sum of $13,55,123,$ and $325=516$

The product of $13,55,123,$ and $325=28582125$

But it outputs

The sum of $13,55,123,$ and $325=0$

The product of $13,55,123,$ and $325=1$

$$ namespace Mod$\_2\_$Coding$\_$activity

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$0$ references

public class Program

$\{$

$0$ references

static void Main$($string$[]$ args$)$

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string rawInput $=""$;

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